From 48827f281a925b7cb05d4bd8399e3e0c9533cd50 Mon Sep 17 00:00:00 2001 From: Shay Date: Thu, 4 Jun 2026 07:47:01 -0700 Subject: [PATCH] feat: sound+complete propositional entailment operator + deductive-logic lane MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The first SIZEABLE, honestly-verified reasoning capability — built on CORE's own terrain (exact, verifiable, deterministic), not GSM8K's stochastic terrain. THE OPERATOR (generate/proof_chain/entail.py, ADR-0206): - evaluate_entailment(premises, query) -> entailed | refuted | unknown | refused. - The multi-hop inference operator evals/symbolic_logic/gaps.md said did not exist ("no operator that takes A->B, B->C and returns A->C") and ADR-0205 deferred. - Built on the ADR-0201 ROBDD canonicalizer: premises |= Q iff (AND P) -> Q is a tautology. SOUND AND COMPLETE for propositional logic, not single-step. - wrong=0 is structural: an exact tautology check refuses (LogicError) on malformed / out-of-decidable-regime (quantified/predicate) input, never guesses. THE HONEST METRIC (evals/deductive_logic/): - holdout v1 (500 cases): 500 correct / 0 WRONG, incl. 227 non-trivial deductions (117 entailed + 110 refuted). dev (200): 200/0. - Gold from an INDEPENDENT truth-table oracle (oracle.py) sharing zero code with the engine. 8,000-case fuzz across two independent decision procedures: 0 disagreements. This is the soundness evidence the GSM8K composer could never produce (it could not separate its 2 right from its 87 wrong answers). - contract.md states the load-bearing honesty boundary: PROPOSITIONAL ONLY, and given-formulas (NL->logic grounding is a separate later layer, kept out of scope so we do not re-step on the GSM8K natural-language rake). TESTS (17, all green): classic inference shapes (MP, multi-hop chain, modus tollens, disjunctive/hypothetical syllogism, conjunctive rules, genuine unknown), refusal boundary (inconsistent / quantified / predicate / malformed), and a deterministic engine-vs-oracle fuzz cross-check. Pure new module — does NOT touch serving. Smoke 73 passed; invariants 40 passed. --- evals/deductive_logic/__init__.py | 1 + evals/deductive_logic/contract.md | 88 ++++ evals/deductive_logic/dev/cases.jsonl | 200 ++++++++ evals/deductive_logic/generate.py | 92 ++++ evals/deductive_logic/holdout/v1/cases.jsonl | 500 +++++++++++++++++++ evals/deductive_logic/oracle.py | 228 +++++++++ evals/deductive_logic/runner.py | 97 ++++ generate/proof_chain/entail.py | 108 ++++ tests/test_deductive_logic_entail.py | 140 ++++++ 9 files changed, 1454 insertions(+) create mode 100644 evals/deductive_logic/__init__.py create mode 100644 evals/deductive_logic/contract.md create mode 100644 evals/deductive_logic/dev/cases.jsonl create mode 100644 evals/deductive_logic/generate.py create mode 100644 evals/deductive_logic/holdout/v1/cases.jsonl create mode 100644 evals/deductive_logic/oracle.py create mode 100644 evals/deductive_logic/runner.py create mode 100644 generate/proof_chain/entail.py create mode 100644 tests/test_deductive_logic_entail.py diff --git a/evals/deductive_logic/__init__.py b/evals/deductive_logic/__init__.py new file mode 100644 index 00000000..422cf766 --- /dev/null +++ b/evals/deductive_logic/__init__.py @@ -0,0 +1 @@ +"""Deductive-logic eval lane (ADR-0206): sound+complete propositional entailment.""" diff --git a/evals/deductive_logic/contract.md b/evals/deductive_logic/contract.md new file mode 100644 index 00000000..e4261b61 --- /dev/null +++ b/evals/deductive_logic/contract.md @@ -0,0 +1,88 @@ + + +# deductive-logic eval lane (ADR-0206) + +## What it measures — and why it is honest + +CORE's **deterministic propositional entailment operator** +(`generate.proof_chain.entail.evaluate_entailment`): given premise formulas and a +query formula, does the premise set **entail**, **refute**, or **leave undetermined** +the query — or is the input outside the decidable regime? + +This is the inference operator `evals/symbolic_logic/gaps.md` asked for ("no operator +that takes A→B, B→C and returns A→C") and ADR-0205 deferred. It is built directly on +the ADR-0201 ROBDD canonicalizer, so it is **sound and complete** for propositional +logic, not single-step: + +> premises ⊨ query iff `(⋀ premises) → query` is a tautology (an exact ROBDD check). + +Unlike the GSM8K lanes, capability here can show **real correct numbers** because the +answer is *checkable*: this is the terrain CORE was built for (exact, verifiable, +deterministic), not the multi-step natural-language arithmetic GSM8K is engineered to +make stochastic. + +## The numbers (2026-06-04) + +| Set | n | correct | wrong | of which non-trivial (entailed + refuted) | +|---|---:|---:|---:|---:| +| dev | 200 | 200 | **0** | 74 | +| **holdout v1** | 500 | **500** | **0** | **227** (117 entailed + 110 refuted) | +| fuzz (fresh random, engine vs oracle) | 7,340 | 7,340 | **0** | 3,360 | + +**100% correct with `wrong = 0`**, and the correct answers include hundreds of +non-trivial multi-hop entailments and refutations — not just `unknown` pass-throughs. + +## Why the gold is trustworthy (the GSM8K lesson applied) + +The gold is **not** computed by the engine under test. It comes from an *independent* +truth-table decision procedure (`oracle.py`): a separate parser + brute-force model +enumeration over all 2^k assignments, sharing **no code** with the ROBDD engine. Two +independently-coded sound procedures agreeing on **8,000** fresh random problems with +**zero disagreements** is real soundness evidence — exactly the property the GSM8K +composer could never establish (it could not tell its 2 right answers from its 87 +wrong ones). A single engine/oracle disagreement fails the test suite. + +## Honesty boundary (load-bearing — do not overclaim) + +- **Propositional only.** Atoms are opaque Boolean variables. Quantified / predicate + input (`forall x. P(x)`, `rough(x)`) is **out of regime** and refuses (typed, + by design — ADR-0201.1), never guessed. A finite-entity problem *grounded* to + per-(entity,predicate) atoms is propositional and in scope; an ungrounded + first-order rule is not. +- **This is given formulas, not natural language.** The operator decides logic; it + does not yet *read* English word-problems into logic. NL→formula grounding is a + separate, later layer (and the place the GSM8K rake lives — kept out of scope here + deliberately). +- **`wrong = 0` is the floor, not a bragging point.** It is structural (an exact + tautology check refuses rather than approximates). The capability claim is the + *coverage with* `wrong=0`: hundreds of correct non-trivial deductions on held-out + data, independently verified. + +## Outcomes (closed vocabulary) + +| outcome | meaning | +|---|---| +| `entailed` | `(⋀P) → Q` is a tautology — Q holds in every model of the premises | +| `refuted` | `(⋀P) → ¬Q` is a tautology — Q fails in every model | +| `unknown` | neither — Q is true in some premise-models and false in others | +| `refused` | premises inconsistent (no model) **or** malformed / out-of-regime | + +## Run + +```bash +PYTHONPATH=. .venv/bin/python -m evals.deductive_logic.runner # dev + holdout, exits 1 if wrong>0 +PYTHONPATH=. .venv/bin/python -m evals.deductive_logic.generate # regenerate committed cases (deterministic) +PYTHONPATH=. .venv/bin/python -m pytest tests/test_deductive_logic_entail.py -q +``` + +## Data layout + +``` +evals/deductive_logic/ + contract.md + oracle.py # independent truth-table gold (no shared code with the engine) + generate.py # deterministic, seeded; gold from oracle + runner.py # engine vs gold; correct/wrong/refused + class breakdown + dev/cases.jsonl # seed 20260604, 200 cases + holdout/v1/cases.jsonl # seed 70260604, 500 cases (disjoint) +``` diff --git a/evals/deductive_logic/dev/cases.jsonl b/evals/deductive_logic/dev/cases.jsonl new file mode 100644 index 00000000..5ec2f2dc --- /dev/null +++ b/evals/deductive_logic/dev/cases.jsonl @@ -0,0 +1,200 @@ +{"gold": "unknown", "id": "dl-dev-v1-0000", "premises": ["e", "(~b & f) -> c", "(a & ~d) -> ~g", "(g & ~b) -> g", "(~g & ~b) -> ~a", "(c) -> e"], "query": "a"} +{"gold": "unknown", "id": "dl-dev-v1-0001", "premises": ["~b", "(e) -> ~f", "(~g & a) -> g", "(e & a) -> b", "(b & e) -> ~e"], "query": "e"} +{"gold": "refuted", "id": "dl-dev-v1-0002", "premises": ["~d", "(~d & ~e) -> d", "(a) -> d", "(d) -> c", "(~a) -> ~d", "(c & ~e) -> c"], "query": "d"} +{"gold": "unknown", "id": "dl-dev-v1-0003", "premises": ["~a", "(~g) -> d", "(~e & d) -> ~f", "(~b & ~g) -> ~f", "(a) -> c", "(~b & ~f) -> g"], "query": "~b"} +{"gold": "unknown", "id": "dl-dev-v1-0004", "premises": ["~c", "~g", "b", "(~d) -> ~g", "(b) -> f"], "query": "d"} +{"gold": "unknown", "id": "dl-dev-v1-0005", "premises": ["e", "~f", "d", "(~a & ~f) -> ~a", "(~b) -> b", "(d & ~e) -> e", "(~e) -> d"], "query": "a"} +{"gold": "entailed", "id": "dl-dev-v1-0006", "premises": ["~e", "b", "(~c & ~f) -> e", "(~c) -> ~a"], "query": "b"} +{"gold": "unknown", "id": "dl-dev-v1-0007", "premises": ["~a", "~g", "(e & d) -> ~c", "(e & d) -> ~f", "(~d) -> d", "(e & ~a) -> e", "(~a & c) -> ~g"], "query": "~e"} +{"gold": "unknown", "id": "dl-dev-v1-0008", "premises": ["~a", "(b) -> ~f", "(b) -> c"], "query": "~f"} +{"gold": "refuted", "id": "dl-dev-v1-0009", "premises": ["c", "~d", "(f) -> f", "(~c & ~d) -> c", "(~c & ~d) -> f", "(g) -> ~c", "(~d) -> f"], "query": "~f"} +{"gold": "entailed", "id": "dl-dev-v1-0010", "premises": ["c", "~g", "(g & c) -> g", "(b) -> ~c", "(~c & b) -> ~g", "(g) -> ~c"], "query": "c"} +{"gold": "refuted", "id": "dl-dev-v1-0011", "premises": ["d", "~c", "(c) -> d", "(~f & a) -> ~d", "(f & a) -> f", "(f & a) -> ~c"], "query": "~d"} +{"gold": "entailed", "id": "dl-dev-v1-0012", "premises": ["~g", "d", "~b", "(b) -> ~g", "(~e) -> ~c"], "query": "~b"} +{"gold": "refuted", "id": "dl-dev-v1-0013", "premises": ["b", "a", "(e) -> e", "(~b & f) -> b", "(~e) -> d"], "query": "~a"} +{"gold": "unknown", "id": "dl-dev-v1-0014", "premises": ["a", "~e", "(f) -> c", "(c & f) -> a"], "query": "~c"} +{"gold": "entailed", "id": "dl-dev-v1-0015", "premises": ["~e", "(~b) -> e", "(b) -> ~e"], "query": "~e"} +{"gold": "entailed", "id": "dl-dev-v1-0016", "premises": ["g", "~b", "(~d) -> ~g", "(a & e) -> b", "(e & f) -> c", "(~d) -> ~d"], "query": "d"} +{"gold": "unknown", "id": "dl-dev-v1-0017", "premises": ["~f", "~b", "(~d & c) -> ~a", "(d & c) -> a", "(~c & f) -> ~c", "(~f & b) -> ~d"], "query": "g"} +{"gold": "unknown", "id": "dl-dev-v1-0018", "premises": ["~a", "(b) -> g", "(g) -> b", "(g & a) -> ~a"], "query": "b"} +{"gold": "unknown", "id": "dl-dev-v1-0019", "premises": ["~f", "(d & ~f) -> a", "(c) -> b"], "query": "~a"} +{"gold": "unknown", "id": "dl-dev-v1-0020", "premises": ["a", "d", "b", "(~f & c) -> ~d", "(~f & ~b) -> ~b", "(~b & f) -> ~e"], "query": "e"} +{"gold": "entailed", "id": "dl-dev-v1-0021", "premises": ["b", "e", "(~e & b) -> ~b", "(~b & ~f) -> ~f", "(a & ~f) -> ~f", "(a) -> ~b", "(~f) -> a"], "query": "~a"} +{"gold": "unknown", "id": "dl-dev-v1-0022", "premises": ["a", "~e", "(~c) -> ~f", "(a & f) -> ~g", "(c & ~f) -> e", "(a) -> a"], "query": "c"} +{"gold": "unknown", "id": "dl-dev-v1-0023", "premises": ["~g", "f", "~c", "(~b & ~d) -> a", "(~c & ~a) -> g", "(e) -> c"], "query": "~b"} +{"gold": "refuted", "id": "dl-dev-v1-0024", "premises": ["d", "c", "(d) -> ~a", "(~b & a) -> ~g"], "query": "~c"} +{"gold": "unknown", "id": "dl-dev-v1-0025", "premises": ["~f", "(~f & b) -> c", "(a) -> a", "(c & f) -> ~b", "(~b & c) -> b"], "query": "a"} +{"gold": "unknown", "id": "dl-dev-v1-0026", "premises": ["~e", "(~a) -> ~a", "(c) -> ~d", "(~d) -> ~c"], "query": "~a"} +{"gold": "unknown", "id": "dl-dev-v1-0027", "premises": ["~e", "~d", "(f) -> ~b", "(~d) -> ~e", "(e & ~c) -> ~d", "(b) -> f"], "query": "c"} +{"gold": "refuted", "id": "dl-dev-v1-0028", "premises": ["~g", "(~f & ~d) -> c", "(~c) -> f", "(~f & ~g) -> c"], "query": "g"} +{"gold": "unknown", "id": "dl-dev-v1-0029", "premises": ["a", "(e & ~b) -> g", "(a) -> e", "(e & ~g) -> a"], "query": "~g"} +{"gold": "unknown", "id": "dl-dev-v1-0030", "premises": ["b", "g", "(~e & ~c) -> b", "(~a) -> ~e", "(~f) -> ~f", "(b & ~c) -> f"], "query": "~e"} +{"gold": "unknown", "id": "dl-dev-v1-0031", "premises": ["e", "(g) -> d", "(g) -> ~f", "(e & b) -> f", "(~e) -> ~d", "(b & g) -> ~c"], "query": "b"} +{"gold": "entailed", "id": "dl-dev-v1-0032", "premises": ["e", "~c", "~f", "(g & ~d) -> ~c", "(~g & c) -> f", "(~c) -> ~f", "(~g) -> ~d", "(~a & ~f) -> a"], "query": "a"} +{"gold": "entailed", "id": "dl-dev-v1-0033", "premises": ["~b", "~g", "(g) -> b", "(~d & g) -> ~e"], "query": "~b"} +{"gold": "unknown", "id": "dl-dev-v1-0034", "premises": ["~d", "b", "(~c) -> g", "(~g) -> ~c"], "query": "c"} +{"gold": "unknown", "id": "dl-dev-v1-0035", "premises": ["d", "(~g & ~e) -> ~b", "(~e) -> d"], "query": "~g"} +{"gold": "entailed", "id": "dl-dev-v1-0036", "premises": ["d", "(~c) -> ~d", "(~d) -> ~d"], "query": "c"} +{"gold": "refuted", "id": "dl-dev-v1-0037", "premises": ["~g", "~e", "(c & ~g) -> e", "(~e & ~g) -> ~g", "(d & b) -> f"], "query": "c"} +{"gold": "unknown", "id": "dl-dev-v1-0038", "premises": ["g", "(~b & e) -> f", "(~g) -> e", "(c & g) -> e", "(e & ~g) -> c", "(b) -> ~f"], "query": "~b"} +{"gold": "unknown", "id": "dl-dev-v1-0039", "premises": ["~b", "(b) -> ~e", "(~b) -> g", "(~b & f) -> ~g"], "query": "e"} +{"gold": "unknown", "id": "dl-dev-v1-0040", "premises": ["~d", "(b & ~d) -> ~f", "(~d) -> b"], "query": "~a"} +{"gold": "refuted", "id": "dl-dev-v1-0041", "premises": ["~e", "a", "~g", "(~c & f) -> e", "(~e & ~f) -> c", "(~c & f) -> ~d"], "query": "~c"} +{"gold": "unknown", "id": "dl-dev-v1-0042", "premises": ["~d", "(~a & g) -> ~f", "(~g & c) -> ~a", "(~d & g) -> f"], "query": "~a"} +{"gold": "unknown", "id": "dl-dev-v1-0043", "premises": ["e", "~d", "(g) -> ~g", "(~b & a) -> ~g", "(a & ~b) -> ~e"], "query": "a"} +{"gold": "entailed", "id": "dl-dev-v1-0044", "premises": ["~b", "~c", "a", "(c & ~d) -> ~d", "(a & ~d) -> ~c"], "query": "~b"} +{"gold": "unknown", "id": "dl-dev-v1-0045", "premises": ["~b", "(e & d) -> ~g", "(b & d) -> ~b"], "query": "~e"} +{"gold": "refuted", "id": "dl-dev-v1-0046", "premises": ["c", "e", "(~c) -> ~d", "(d & e) -> e", "(c & ~d) -> ~c", "(d & ~f) -> d", "(e & b) -> ~e"], "query": "~d"} +{"gold": "unknown", "id": "dl-dev-v1-0047", "premises": ["~a", "(c & ~b) -> e", "(e) -> ~g"], "query": "c"} +{"gold": "unknown", "id": "dl-dev-v1-0048", "premises": ["a", "~c", "(a & b) -> ~a", "(~b & e) -> ~b", "(d) -> d"], "query": "~d"} +{"gold": "refuted", "id": "dl-dev-v1-0049", "premises": ["~b", "(~d) -> ~c", "(b) -> ~c", "(d & ~f) -> ~c", "(~b & c) -> ~f", "(~f & ~c) -> b"], "query": "~f"} +{"gold": "unknown", "id": "dl-dev-v1-0050", "premises": ["~a", "g", "(~a) -> f", "(~f & ~a) -> a", "(g & ~f) -> ~a"], "query": "b"} +{"gold": "unknown", "id": "dl-dev-v1-0051", "premises": ["g", "(b & d) -> ~f", "(a) -> ~c", "(~b & ~f) -> ~g"], "query": "d"} +{"gold": "unknown", "id": "dl-dev-v1-0052", "premises": ["f", "~g", "(~e & ~d) -> ~e", "(~g & ~b) -> e", "(b & ~e) -> ~d", "(~f) -> g", "(c & ~d) -> ~f"], "query": "b"} +{"gold": "unknown", "id": "dl-dev-v1-0053", "premises": ["~b", "c", "(g & b) -> a", "(a & e) -> g", "(c & ~f) -> ~b"], "query": "~g"} +{"gold": "unknown", "id": "dl-dev-v1-0054", "premises": ["~c", "(~g & ~a) -> ~c", "(e) -> e", "(b) -> ~f", "(g & a) -> ~c", "(g & c) -> ~b"], "query": "f"} +{"gold": "unknown", "id": "dl-dev-v1-0055", "premises": ["b", "d", "e", "(~a) -> a", "(e) -> a", "(a & d) -> d"], "query": "~g"} +{"gold": "unknown", "id": "dl-dev-v1-0056", "premises": ["~c", "(c) -> ~e", "(d & e) -> ~g", "(f & ~g) -> f"], "query": "~d"} +{"gold": "unknown", "id": "dl-dev-v1-0057", "premises": ["f", "b", "(g) -> d", "(c & e) -> ~c", "(~d) -> e"], "query": "~g"} +{"gold": "entailed", "id": "dl-dev-v1-0058", "premises": ["f", "~g", "~b", "(b & e) -> g", "(~a & e) -> ~c", "(~c) -> c", "(~b & ~f) -> ~g"], "query": "c"} +{"gold": "refuted", "id": "dl-dev-v1-0059", "premises": ["~d", "~g", "(g & c) -> e", "(~g) -> ~e", "(g & e) -> e", "(e) -> ~d", "(~b) -> ~g"], "query": "g"} +{"gold": "unknown", "id": "dl-dev-v1-0060", "premises": ["f", "(g) -> a", "(~c & ~d) -> ~g", "(e) -> ~d", "(a & g) -> e"], "query": "g"} +{"gold": "unknown", "id": "dl-dev-v1-0061", "premises": ["a", "~g", "(~f & ~b) -> g", "(~g) -> d", "(a & b) -> a", "(~d) -> ~a"], "query": "f"} +{"gold": "entailed", "id": "dl-dev-v1-0062", "premises": ["f", "~d", "(a & ~f) -> ~a", "(~d) -> ~e", "(a & f) -> ~e", "(d & c) -> ~a", "(e) -> ~f"], "query": "~e"} +{"gold": "refuted", "id": "dl-dev-v1-0063", "premises": ["d", "(~a & d) -> ~a", "(~a & e) -> ~e"], "query": "~d"} +{"gold": "entailed", "id": "dl-dev-v1-0064", "premises": ["f", "e", "(c & ~f) -> f", "(b) -> d", "(~c) -> ~e", "(e & c) -> ~d"], "query": "e"} +{"gold": "entailed", "id": "dl-dev-v1-0065", "premises": ["e", "c", "(d) -> ~c", "(d) -> a", "(e & ~c) -> ~c", "(~c) -> ~d", "(e) -> ~d"], "query": "e"} +{"gold": "refuted", "id": "dl-dev-v1-0066", "premises": ["~d", "b", "(b & d) -> ~d", "(c & g) -> d", "(d) -> d", "(~b) -> ~g", "(d & c) -> ~g"], "query": "d"} +{"gold": "entailed", "id": "dl-dev-v1-0067", "premises": ["b", "a", "~f", "(~b & ~e) -> a", "(c) -> ~a", "(~e) -> ~c", "(d & ~g) -> e"], "query": "~f"} +{"gold": "entailed", "id": "dl-dev-v1-0068", "premises": ["~b", "~d", "e", "(~e & ~a) -> e", "(~c) -> c"], "query": "~b"} +{"gold": "entailed", "id": "dl-dev-v1-0069", "premises": ["d", "f", "~g", "(e) -> ~a", "(d) -> ~e"], "query": "d"} +{"gold": "entailed", "id": "dl-dev-v1-0070", "premises": ["a", "~g", "(~c) -> ~d", "(g & e) -> ~g", "(~c & ~e) -> ~c"], "query": "~g"} +{"gold": "refuted", "id": "dl-dev-v1-0071", "premises": ["~c", "f", "(~c) -> ~b", "(c) -> ~e", "(e & ~b) -> ~c", "(~f) -> c", "(e) -> ~c"], "query": "~f"} +{"gold": "unknown", "id": "dl-dev-v1-0072", "premises": ["~d", "(~a) -> ~c", "(c) -> e", "(~c) -> ~d", "(~a & e) -> ~a", "(~e & a) -> e"], "query": "a"} +{"gold": "refuted", "id": "dl-dev-v1-0073", "premises": ["~g", "~d", "(~d & e) -> c", "(~d) -> ~b", "(~g) -> ~f", "(~d & c) -> b"], "query": "e"} +{"gold": "unknown", "id": "dl-dev-v1-0074", "premises": ["e", "(e & ~g) -> g", "(~a) -> c"], "query": "~a"} +{"gold": "unknown", "id": "dl-dev-v1-0075", "premises": ["e", "c", "a", "(d & ~c) -> c", "(e) -> ~g"], "query": "b"} +{"gold": "entailed", "id": "dl-dev-v1-0076", "premises": ["a", "~c", "~e", "(g) -> ~a", "(~g & ~f) -> e", "(~d) -> ~g", "(~e & g) -> ~a"], "query": "~g"} +{"gold": "refuted", "id": "dl-dev-v1-0077", "premises": ["~f", "(g & ~f) -> ~d", "(f & e) -> ~d", "(e & a) -> ~c"], "query": "f"} +{"gold": "entailed", "id": "dl-dev-v1-0078", "premises": ["f", "~c", "(d & a) -> a", "(~g) -> ~c", "(~g & ~f) -> ~g"], "query": "f"} +{"gold": "refuted", "id": "dl-dev-v1-0079", "premises": ["~b", "(b & c) -> ~d", "(c) -> b", "(b) -> e"], "query": "c"} +{"gold": "unknown", "id": "dl-dev-v1-0080", "premises": ["g", "(g & f) -> f", "(~e & c) -> ~f", "(~e) -> e"], "query": "f"} +{"gold": "unknown", "id": "dl-dev-v1-0081", "premises": ["~f", "(a) -> ~d", "(d) -> ~c", "(f) -> d", "(~b) -> ~c", "(b & ~a) -> d"], "query": "b"} +{"gold": "unknown", "id": "dl-dev-v1-0082", "premises": ["~f", "~b", "~g", "(b & ~e) -> g", "(~d) -> d", "(~c & ~b) -> ~g", "(~a & b) -> ~g"], "query": "~e"} +{"gold": "refuted", "id": "dl-dev-v1-0083", "premises": ["f", "(~a) -> f", "(~g) -> g"], "query": "~f"} +{"gold": "entailed", "id": "dl-dev-v1-0084", "premises": ["g", "b", 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a) -> b", "(~e & ~g) -> a"], "query": "e"} +{"gold": "entailed", "id": "dl-dev-v1-0172", "premises": ["b", "~f", "(e) -> ~b", "(e) -> e"], "query": "b"} +{"gold": "entailed", "id": "dl-dev-v1-0173", "premises": ["b", "~f", "(~e & ~f) -> e", "(~f) -> ~a", "(e) -> e", "(~a) -> ~g", "(~b) -> a"], "query": "e"} +{"gold": "unknown", "id": "dl-dev-v1-0174", "premises": ["~a", "(~c) -> ~d", "(~b) -> ~d", "(~f & ~g) -> a", "(~d) -> ~g", "(f & c) -> c"], "query": "~c"} +{"gold": "unknown", "id": "dl-dev-v1-0175", "premises": ["~g", "(~e & d) -> d", "(d) -> ~f", "(~g) -> ~g", "(~b & e) -> ~f", "(~g & ~c) -> ~a"], "query": "~c"} +{"gold": "unknown", "id": "dl-dev-v1-0176", "premises": ["~c", "~a", "(e & ~d) -> ~f", "(c) -> d", "(~e & d) -> g", "(e & ~c) -> d"], "query": "~f"} +{"gold": "entailed", "id": "dl-dev-v1-0177", "premises": ["~g", "(~f) -> f", "(g & ~b) -> a", "(~e & ~a) -> e", "(~e) -> e", "(a) -> f"], "query": "e"} +{"gold": "unknown", "id": "dl-dev-v1-0178", "premises": ["a", "e", "d", "(e & f) -> f", "(~d) -> f", "(g & ~b) -> ~e", "(~f) -> ~e"], "query": "~b"} +{"gold": "unknown", "id": "dl-dev-v1-0179", "premises": ["f", "~a", "(a & ~e) -> ~f", "(~a & d) -> d"], "query": "d"} +{"gold": "unknown", "id": "dl-dev-v1-0180", "premises": ["~d", "c", "(d) -> ~f", "(~g) -> ~f", "(~b & ~c) -> ~g"], "query": "~e"} +{"gold": "unknown", "id": "dl-dev-v1-0181", "premises": ["~d", "(~c & d) -> b", "(c) -> a", "(~b & ~f) -> c"], "query": "a"} +{"gold": "unknown", "id": "dl-dev-v1-0182", "premises": ["g", "(g & f) -> ~f", "(a) -> f", "(f) -> ~e", "(a & g) -> a"], "query": "~b"} +{"gold": "unknown", "id": "dl-dev-v1-0183", "premises": ["a", "(~a) -> ~a", "(~d & ~a) -> ~d", "(~e) -> ~e", "(~b) -> b", "(f & c) -> b"], "query": "~d"} +{"gold": "unknown", "id": "dl-dev-v1-0184", "premises": ["~g", "(e) -> ~b", "(~e) -> ~e"], "query": "~e"} +{"gold": "unknown", "id": "dl-dev-v1-0185", "premises": ["~b", "(~a & ~b) -> ~g", "(~f & d) -> b", "(d) -> f"], "query": "~d"} +{"gold": "refuted", "id": "dl-dev-v1-0186", "premises": ["~d", "~f", "(~e) -> f", "(~a & e) -> ~d", "(f & d) -> ~d"], "query": "~e"} +{"gold": "unknown", "id": "dl-dev-v1-0187", "premises": ["d", "g", "~e", "(c) -> ~f", "(c & ~e) -> e"], "query": "b"} +{"gold": "unknown", "id": "dl-dev-v1-0188", "premises": ["d", "g", "~a", "(b & f) -> b", "(b) -> ~d"], "query": "~f"} +{"gold": "entailed", "id": "dl-dev-v1-0189", "premises": ["b", "c", "(~b) -> e", "(b & ~c) -> ~c", "(~f) -> e"], "query": "c"} +{"gold": "unknown", "id": "dl-dev-v1-0190", "premises": ["b", "~d", "(f) -> f", "(d & ~g) -> g"], "query": "~e"} +{"gold": "entailed", "id": "dl-dev-v1-0191", "premises": ["e", "~b", "(g) -> ~g", "(~e) -> ~e"], "query": "e"} +{"gold": "unknown", "id": "dl-dev-v1-0192", "premises": ["~e", "(e & ~a) -> ~b", "(g) -> ~a", "(c & ~a) -> f", "(e & b) -> g"], "query": "d"} +{"gold": "unknown", "id": "dl-dev-v1-0193", "premises": ["b", "(~a & ~g) -> ~a", "(f) -> ~a", "(~g & b) -> d", "(f & g) -> ~f"], "query": "d"} +{"gold": "unknown", "id": "dl-dev-v1-0194", "premises": ["a", "~d", "(~f) -> ~d", "(c & ~a) -> f", "(~a) -> ~c", "(a & f) -> ~c", "(~a) -> a"], "query": "~f"} +{"gold": "refuted", "id": "dl-dev-v1-0195", "premises": ["~c", "~a", "(c & a) -> f", "(~c & ~d) -> d"], "query": "c"} +{"gold": "unknown", "id": "dl-dev-v1-0196", "premises": ["d", "(c & ~b) -> ~f", "(~g & c) -> g", "(g) -> e", "(~e) -> ~a", "(a & ~e) -> ~b"], "query": "a"} +{"gold": "unknown", "id": "dl-dev-v1-0197", "premises": ["~b", "(~a) -> ~a", "(e) -> e", "(~a & c) -> ~f", "(e) -> e"], "query": "a"} +{"gold": "unknown", "id": "dl-dev-v1-0198", "premises": ["~g", "(c & d) -> ~g", "(~c) -> ~f"], "query": "~d"} +{"gold": "entailed", "id": "dl-dev-v1-0199", "premises": ["~d", "e", "(~c) -> g", "(~d) -> ~g"], "query": "c"} diff --git a/evals/deductive_logic/generate.py b/evals/deductive_logic/generate.py new file mode 100644 index 00000000..a561de20 --- /dev/null +++ b/evals/deductive_logic/generate.py @@ -0,0 +1,92 @@ +"""Deterministic generator for the deductive-logic lane. + +Produces RuleTaker-style propositional problems — base **facts** plus implication +**rules** (conjunctive antecedent → literal consequent) plus a literal **query** — +with the gold answer computed by the *independent* truth-table oracle +(:mod:`evals.deductive_logic.oracle`), never by the engine under test. + +Determinism: a fixed-seed ``random.Random`` per split, so the committed +``cases.jsonl`` is exactly reproducible. Splits use disjoint seeds. Inconsistent +premise sets (oracle → ``refused``) are discarded, so every emitted case has a +definite ``entailed`` / ``refuted`` / ``unknown`` gold — the engine is scored on +producing the right *deduction*, with ``wrong=0`` as the floor. + +Atom counts are kept small (≤ 7) so the oracle's 2^k enumeration is cheap and the +ROBDD never approaches its node budget. +""" + +from __future__ import annotations + +import json +import random +from pathlib import Path +from typing import Final + +from evals.deductive_logic.oracle import REFUSED, oracle_entailment + +_ATOMS: Final[tuple[str, ...]] = ("a", "b", "c", "d", "e", "f", "g") + + +def _literal(rng: random.Random, atom: str) -> str: + return atom if rng.random() < 0.5 else f"~{atom}" + + +def _make_case(rng: random.Random, case_id: str) -> dict | None: + k = rng.randint(4, len(_ATOMS)) + atoms = rng.sample(_ATOMS, k) + + premises: list[str] = [] + + # Base facts: assert a few literals (kept distinct atoms). + n_facts = rng.randint(1, max(1, k // 2)) + fact_atoms = rng.sample(atoms, n_facts) + for at in fact_atoms: + premises.append(_literal(rng, at)) + + # Implication rules: (L1 & ... ) -> Lc. Bias antecedents toward earlier atoms + # and consequents toward later atoms so multi-hop chains form. + n_rules = rng.randint(2, 5) + for _ in range(n_rules): + body_size = rng.randint(1, 2) + body_atoms = rng.sample(atoms, min(body_size, k)) + body = " & ".join(_literal(rng, at) for at in body_atoms) + head_atom = rng.choice(atoms) + head = _literal(rng, head_atom) + premises.append(f"({body}) -> {head}") + + query = _literal(rng, rng.choice(atoms)) + + gold = oracle_entailment(tuple(premises), query) + if gold == REFUSED: + return None # inconsistent premises — discard; keep only definite golds + + return {"id": case_id, "premises": premises, "query": query, "gold": gold} + + +def generate(seed: int, n: int, prefix: str) -> list[dict]: + """Generate ``n`` consistent cases deterministically from ``seed``.""" + rng = random.Random(seed) + cases: list[dict] = [] + attempts = 0 + while len(cases) < n: + attempts += 1 + case = _make_case(rng, f"{prefix}-{len(cases):04d}") + if case is not None: + cases.append(case) + if attempts > n * 50: # pragma: no cover - safety valve + raise RuntimeError("generator could not reach target count") + return cases + + +def _write(path: Path, cases: list[dict]) -> None: + path.parent.mkdir(parents=True, exist_ok=True) + with path.open("w", encoding="utf-8") as fh: + for case in cases: + fh.write(json.dumps(case, ensure_ascii=False, sort_keys=True) + "\n") + + +if __name__ == "__main__": + root = Path(__file__).resolve().parent + _write(root / "dev" / "cases.jsonl", generate(20260604, 200, "dl-dev-v1")) + _write(root / "holdout" / "v1" / "cases.jsonl", generate(70260604, 500, "dl-holdout-v1")) + print("generated dev=200 holdout=500") diff --git a/evals/deductive_logic/holdout/v1/cases.jsonl b/evals/deductive_logic/holdout/v1/cases.jsonl new file mode 100644 index 00000000..ad64b984 --- /dev/null +++ b/evals/deductive_logic/holdout/v1/cases.jsonl @@ -0,0 +1,500 @@ +{"gold": "unknown", "id": "dl-holdout-v1-0000", "premises": ["b", "a", "~g", "(e) -> a", "(b) -> ~d", "(g & d) -> ~g", "(e) -> ~b", "(g & a) -> b"], "query": "~c"} +{"gold": "entailed", "id": "dl-holdout-v1-0001", "premises": ["d", "c", "(~b) -> d", "(b) -> ~c", "(~b & d) -> ~b"], "query": "d"} +{"gold": "unknown", "id": "dl-holdout-v1-0002", "premises": ["d", "(d) -> b", "(d) -> d", "(e) -> d"], "query": "a"} +{"gold": "unknown", "id": "dl-holdout-v1-0003", "premises": ["e", "~d", "b", "(c & ~f) -> d", "(c) -> c"], "query": "~f"} +{"gold": "unknown", "id": "dl-holdout-v1-0004", "premises": ["g", "(~g) -> d", "(~g & ~f) -> ~a", "(~e & a) -> ~b"], "query": "c"} +{"gold": "entailed", "id": "dl-holdout-v1-0005", "premises": ["f", "g", "c", "(~a & ~d) -> ~f", "(~d & g) -> ~c", "(~e & f) -> ~a", "(~f & a) -> a", "(b) -> ~a"], "query": "f"} +{"gold": "unknown", "id": "dl-holdout-v1-0006", "premises": ["a", "(~b & d) -> a", "(e & ~a) -> d", "(g) -> d", "(c) -> ~f", "(~d & ~c) -> ~b"], "query": "~e"} +{"gold": "entailed", "id": "dl-holdout-v1-0007", "premises": ["~e", "(a & ~e) -> e", "(~g & ~e) -> a"], "query": "g"} +{"gold": "unknown", "id": "dl-holdout-v1-0008", "premises": ["e", "(~e & ~d) -> d", "(~d) -> ~f", "(c) -> ~c"], "query": "~f"} +{"gold": "refuted", "id": "dl-holdout-v1-0009", "premises": ["g", "(a) -> ~e", "(a & ~e) -> g", "(g) -> a", "(~g & ~a) -> f"], "query": "~g"} +{"gold": "entailed", "id": "dl-holdout-v1-0010", "premises": ["~e", "(d) -> e", "(~c & e) -> ~d", "(c & g) -> c"], "query": "~e"} +{"gold": "entailed", "id": "dl-holdout-v1-0011", "premises": ["e", "~g", "(g) -> d", "(b) -> c", "(~f & ~g) -> ~e"], "query": "e"} +{"gold": "entailed", "id": "dl-holdout-v1-0012", "premises": ["c", "~a", "(b & g) -> ~c", "(f & d) -> f", "(a) -> a"], "query": "~a"} +{"gold": "unknown", "id": "dl-holdout-v1-0013", "premises": ["c", "(b) -> d", "(e & ~f) -> ~g"], "query": "a"} +{"gold": "refuted", "id": "dl-holdout-v1-0014", "premises": ["g", "(d) -> ~b", "(~c & f) -> c", "(c) -> ~c", "(c) -> g"], "query": "f"} +{"gold": "entailed", "id": "dl-holdout-v1-0015", "premises": ["f", "(~d & b) -> ~b", "(e) -> ~f"], "query": "~e"} +{"gold": "unknown", "id": "dl-holdout-v1-0016", "premises": ["~g", "(~a) -> b", "(g & ~a) -> b", "(~g) -> a"], "query": "c"} +{"gold": "unknown", "id": "dl-holdout-v1-0017", "premises": ["~b", "(~c) -> ~f", "(f) -> ~g"], "query": "~d"} +{"gold": "entailed", "id": "dl-holdout-v1-0018", "premises": ["c", "(d & ~b) -> d", "(f) -> ~c"], "query": "~f"} +{"gold": "unknown", "id": "dl-holdout-v1-0019", "premises": ["~d", "~a", "~g", "(~g) -> ~f", "(g & c) -> ~f"], "query": "e"} +{"gold": "unknown", "id": "dl-holdout-v1-0020", "premises": ["~b", "~g", "(e & b) -> a", "(~f) -> e", "(~c) -> a", "(c) -> e"], "query": "a"} +{"gold": "unknown", "id": "dl-holdout-v1-0021", "premises": ["f", "(~a & b) -> f", "(~e) -> b"], "query": "~b"} +{"gold": "unknown", "id": "dl-holdout-v1-0022", "premises": ["f", "a", "g", "(e & g) -> g", "(~a & f) -> d", "(~e) -> g", "(b) -> ~b"], "query": "~e"} +{"gold": "unknown", "id": "dl-holdout-v1-0023", "premises": ["~e", "(d & ~f) -> ~c", "(~a) -> f"], "query": "~a"} +{"gold": "unknown", "id": "dl-holdout-v1-0024", "premises": ["~b", "g", "(a) -> ~a", "(~f & ~b) -> ~f", "(~g) -> e"], "query": "d"} +{"gold": "entailed", "id": "dl-holdout-v1-0025", "premises": ["f", "(c) -> f", "(b & ~e) -> ~b", "(e) -> ~c", "(f & ~b) -> e"], "query": "f"} +{"gold": "entailed", "id": "dl-holdout-v1-0026", "premises": ["~c", "~f", "(b & ~c) -> c", "(~d & ~b) -> f", "(~f & ~d) -> c", "(f & ~d) -> ~c"], "query": "~c"} +{"gold": "unknown", "id": "dl-holdout-v1-0027", "premises": ["e", "(e & ~d) -> a", "(d & a) -> d", "(~c) -> ~a", "(f & ~d) -> e"], "query": "c"} +{"gold": "refuted", "id": "dl-holdout-v1-0028", "premises": ["~b", "~c", "~f", "(f & e) -> f", "(~e) -> a", "(~g) -> ~c", "(d & ~b) -> ~c", "(e) -> ~g"], "query": "b"} +{"gold": "unknown", "id": "dl-holdout-v1-0029", "premises": ["e", "(~d & a) -> ~d", "(c) -> ~d", "(a & ~g) -> ~b", "(f & g) -> f"], "query": "~a"} +{"gold": "unknown", "id": "dl-holdout-v1-0030", "premises": ["~c", "(~b & g) -> g", "(c & b) -> ~g", "(~a & ~f) -> d", "(d & ~e) -> e"], "query": "~a"} +{"gold": "unknown", "id": "dl-holdout-v1-0031", "premises": ["g", "(c & ~b) -> g", "(~d) -> g", "(e) -> g"], "query": "f"} +{"gold": "unknown", "id": "dl-holdout-v1-0032", "premises": ["e", "a", "~g", "(~d) -> ~d", "(~c) -> ~b"], "query": "~b"} +{"gold": "unknown", "id": "dl-holdout-v1-0033", "premises": ["g", "f", "(d) -> d", "(~g & ~d) -> a", "(~g) -> ~a", "(~a & ~g) -> ~d"], "query": "~d"} +{"gold": "entailed", "id": "dl-holdout-v1-0034", "premises": ["c", "e", "(~e & ~b) -> ~c", "(c & e) -> e", "(~e) -> c"], "query": "c"} +{"gold": "entailed", "id": "dl-holdout-v1-0035", "premises": ["~g", "(~e & c) -> c", "(~c & ~g) -> d", "(g) -> ~d", "(e) -> g", "(d) -> e"], "query": "~d"} +{"gold": "refuted", "id": "dl-holdout-v1-0036", "premises": ["~b", "(~b) -> ~d", "(~e & f) -> ~e", "(d) -> ~f", "(~e & ~f) -> f"], "query": "b"} +{"gold": "unknown", "id": "dl-holdout-v1-0037", "premises": ["f", "~b", "(~d & g) -> b", "(f & g) -> f", "(d & a) -> ~b", "(g & ~a) -> b", "(~a) -> g"], "query": "d"} +{"gold": "unknown", "id": "dl-holdout-v1-0038", "premises": ["c", "(f & ~d) -> ~d", "(a) -> c", "(e & ~d) -> a", "(~a) -> ~f", "(d) -> ~c"], "query": "~a"} +{"gold": "unknown", "id": "dl-holdout-v1-0039", "premises": ["g", "b", "(g & a) -> a", "(~e) -> a", "(g) -> g", "(a & ~g) -> ~a"], "query": "~a"} +{"gold": "unknown", "id": "dl-holdout-v1-0040", "premises": ["~a", "(f & ~b) -> b", "(d) -> d", "(a) -> ~f", "(f & g) -> a", "(~a & ~g) -> f"], "query": "f"} +{"gold": "unknown", "id": "dl-holdout-v1-0041", "premises": ["d", "e", "(~c & ~d) -> c", "(~g) -> ~d", "(a & ~d) -> ~g", "(f & ~d) -> f", "(g & ~b) -> a"], "query": "c"} +{"gold": "unknown", "id": "dl-holdout-v1-0042", "premises": ["c", "(a) -> b", "(~c & a) -> a"], "query": "b"} +{"gold": "unknown", "id": "dl-holdout-v1-0043", "premises": ["~f", "~d", "(~e) -> ~c", "(b & ~g) -> g", "(d) -> ~d", "(b) -> ~a"], "query": "~e"} +{"gold": "unknown", "id": "dl-holdout-v1-0044", "premises": ["f", "(f & ~d) -> ~e", "(d & e) -> f"], "query": "~b"} +{"gold": "refuted", "id": "dl-holdout-v1-0045", "premises": ["a", "c", "(f & c) -> ~c", "(b & ~a) -> a", "(a) -> a", "(~b) -> ~b"], "query": "~a"} +{"gold": "unknown", "id": "dl-holdout-v1-0046", "premises": ["c", "b", "(~b & g) -> g", "(f) -> f", "(g & ~d) -> f"], "query": "~g"} +{"gold": "unknown", "id": "dl-holdout-v1-0047", "premises": ["b", "d", "(~a & ~e) -> ~e", "(b & ~d) -> ~d", "(~d & ~b) -> d", "(~d & e) -> ~d"], "query": "e"} +{"gold": "entailed", "id": "dl-holdout-v1-0048", "premises": ["c", "~e", "d", "(~g) -> a", "(a & ~d) -> ~e", "(~g) -> g", "(~a) -> ~g", "(~c & ~g) -> e"], "query": "c"} +{"gold": "unknown", "id": "dl-holdout-v1-0049", "premises": ["~g", "a", "(c) -> a", "(~e & a) -> c"], "query": "~b"} +{"gold": "unknown", "id": "dl-holdout-v1-0050", "premises": ["d", "(c) -> g", "(d) -> b", "(g & ~b) -> ~g", "(~g) -> ~g", "(~d & ~c) -> g"], "query": "~g"} +{"gold": "unknown", "id": "dl-holdout-v1-0051", "premises": ["~b", "d", "(a & ~f) -> ~e", "(e & a) -> ~d", "(~f & e) -> e"], "query": "~c"} +{"gold": "unknown", "id": "dl-holdout-v1-0052", "premises": ["~e", "(c) -> ~c", "(~d & ~c) -> ~c", "(e) -> a", "(~d & ~c) -> ~c"], "query": "a"} +{"gold": "unknown", "id": "dl-holdout-v1-0053", "premises": ["b", "e", "(~b) -> ~e", "(a) -> ~g"], "query": "~d"} +{"gold": "unknown", "id": "dl-holdout-v1-0054", "premises": ["~e", "(~e & ~c) -> ~a", "(~a) -> ~a", "(a & g) -> e", "(~d & ~b) -> a", "(~a & ~g) -> g"], "query": "b"} +{"gold": "refuted", "id": "dl-holdout-v1-0055", "premises": ["f", "~a", "(~f) -> a", "(~d & ~a) -> ~d", "(d & ~f) -> e"], "query": "~f"} +{"gold": "refuted", "id": "dl-holdout-v1-0056", "premises": ["~g", "(~d) -> ~d", "(~e & ~g) -> g", "(g & b) -> ~g", "(~g) -> d", "(~b & d) -> e"], "query": "g"} +{"gold": "refuted", "id": "dl-holdout-v1-0057", "premises": ["d", "f", "(f & ~d) -> ~f", "(b & ~a) -> ~b", "(~a & ~b) -> f"], "query": "~d"} +{"gold": "entailed", "id": "dl-holdout-v1-0058", "premises": ["~e", "(~b) -> b", "(~e & ~b) -> ~d", "(~c) -> d", "(c) -> b", "(~e & d) -> b"], "query": "b"} +{"gold": "unknown", "id": "dl-holdout-v1-0059", "premises": ["b", "~e", "(~b) -> ~b", "(~d & a) -> ~a"], "query": "~d"} +{"gold": "refuted", "id": "dl-holdout-v1-0060", "premises": ["~c", "(~d) -> ~c", "(b) -> ~d", "(f) -> c", "(~g) -> ~b", "(b) -> ~g"], "query": "b"} +{"gold": "unknown", "id": "dl-holdout-v1-0061", "premises": ["~e", "~c", "(~a & ~b) -> ~g", "(e & a) -> a"], "query": "f"} +{"gold": "unknown", "id": "dl-holdout-v1-0062", "premises": ["~c", "~f", "(~f) -> d", "(~c & ~b) -> ~f"], "query": "b"} +{"gold": "entailed", "id": "dl-holdout-v1-0063", "premises": ["~e", "(b) -> ~e", "(~b) -> ~e"], "query": "~e"} +{"gold": "unknown", "id": "dl-holdout-v1-0064", "premises": ["~d", "(a) -> b", "(d & c) -> ~g", "(d) -> ~g"], "query": "~a"} +{"gold": "entailed", "id": "dl-holdout-v1-0065", "premises": ["e", "~f", "(~f & ~b) -> b", "(~d & a) -> ~e"], "query": "~f"} +{"gold": "unknown", "id": "dl-holdout-v1-0066", "premises": ["~d", "(~f & ~d) -> ~a", "(~e) -> f", "(g & ~f) -> c", "(~b & a) -> ~f", "(e & ~a) -> b"], "query": "g"} +{"gold": "unknown", "id": "dl-holdout-v1-0067", "premises": ["b", "(~c & f) -> b", "(~c & ~f) -> b", "(~e) -> ~c", "(~g & ~b) -> f", "(b) -> b"], "query": "~e"} +{"gold": "entailed", "id": "dl-holdout-v1-0068", "premises": ["a", "(a & b) -> ~c", "(~c & ~f) -> ~c", "(f) -> a", "(~f) -> f"], "query": "f"} +{"gold": "unknown", "id": "dl-holdout-v1-0069", "premises": ["~a", "(b & f) -> ~d", "(~f) -> f", "(~g) -> a", "(~f) -> d", "(f) -> e"], "query": "~c"} +{"gold": "unknown", "id": "dl-holdout-v1-0070", "premises": ["d", "(f & d) -> ~a", "(a & ~c) -> a"], "query": "~c"} +{"gold": "refuted", "id": "dl-holdout-v1-0071", "premises": ["~c", "(e) -> b", "(g) -> c", "(b & ~g) -> ~e", "(g) -> c"], "query": "c"} +{"gold": 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& ~g) -> ~g", "(~g & ~f) -> ~b"], "query": "~b"} +{"gold": "unknown", "id": "dl-holdout-v1-0484", "premises": ["b", "~g", "(~b & ~d) -> f", "(f) -> d", "(b & a) -> ~f", "(~d & ~f) -> d"], "query": "f"} +{"gold": "unknown", "id": "dl-holdout-v1-0485", "premises": ["f", "~e", "(~e & ~d) -> b", "(c) -> ~a"], "query": "d"} +{"gold": "refuted", "id": "dl-holdout-v1-0486", "premises": ["~b", "(d & ~c) -> ~e", "(c) -> ~d", "(b & ~e) -> ~c", "(g) -> ~e"], "query": "b"} +{"gold": "refuted", "id": "dl-holdout-v1-0487", "premises": ["~g", "(~e & f) -> e", "(b & e) -> e", "(~a) -> ~d", "(~g) -> ~c", "(~c) -> a"], "query": "g"} +{"gold": "unknown", "id": "dl-holdout-v1-0488", "premises": ["~b", "f", "(b) -> e", "(f & e) -> ~c", "(~d & ~a) -> ~b"], "query": "~e"} +{"gold": "unknown", "id": "dl-holdout-v1-0489", "premises": ["~f", "(~c) -> ~f", "(c & ~f) -> f", "(g) -> g", "(e) -> g", "(c & ~e) -> e"], "query": "~e"} +{"gold": "refuted", "id": "dl-holdout-v1-0490", "premises": ["~g", "~e", "(~f) -> ~d", "(g) -> ~b", "(~g) -> ~a"], "query": "e"} +{"gold": "unknown", "id": "dl-holdout-v1-0491", "premises": ["e", "a", "d", "(~a) -> e", "(b) -> g", "(~e & b) -> g"], "query": "g"} +{"gold": "unknown", "id": "dl-holdout-v1-0492", "premises": ["~b", "(~a) -> ~c", "(f) -> ~c", "(e) -> f", "(b) -> g"], "query": "f"} +{"gold": "entailed", "id": "dl-holdout-v1-0493", "premises": ["d", "~g", "(~c) -> b", "(~d & ~b) -> d", "(~c & b) -> ~c"], "query": "d"} +{"gold": "unknown", "id": "dl-holdout-v1-0494", "premises": ["~e", "b", "~f", "(d & ~a) -> d", "(~g & ~e) -> ~c", "(c & a) -> ~g", "(c) -> c", "(d & c) -> b"], "query": "~d"} +{"gold": "unknown", "id": "dl-holdout-v1-0495", "premises": ["~e", "~a", "(~b) -> d", "(~b) -> f", "(~e) -> ~e"], "query": "d"} +{"gold": "unknown", "id": "dl-holdout-v1-0496", "premises": ["~g", "~d", "(~e) -> ~a", "(~e) -> ~a", "(a & ~d) -> ~d"], "query": "~e"} +{"gold": "unknown", "id": "dl-holdout-v1-0497", "premises": ["~c", "(~e & ~d) -> b", "(e) -> c"], "query": "b"} +{"gold": "entailed", "id": "dl-holdout-v1-0498", "premises": ["~f", "(~g) -> b", "(~d) -> e", "(~e) -> ~d", "(f) -> c", "(~f) -> ~b"], "query": "~b"} +{"gold": "unknown", "id": "dl-holdout-v1-0499", "premises": ["c", "(~f) -> g", "(b) -> f", "(f) -> ~a", "(~a) -> ~d", "(~f & c) -> g"], "query": "~e"} diff --git a/evals/deductive_logic/oracle.py b/evals/deductive_logic/oracle.py new file mode 100644 index 00000000..2ba7bd6b --- /dev/null +++ b/evals/deductive_logic/oracle.py @@ -0,0 +1,228 @@ +"""Independent entailment oracle — the gold for the deductive-logic lane. + +This is **deliberately a second, independent decision procedure**: a self-contained +recursive-descent parser plus brute-force truth-table model enumeration. It shares +**no code** with :mod:`generate.logic_canonical` (the ROBDD) or +:mod:`generate.proof_chain.entail` (the engine under test). Two independent sound +procedures agreeing on held-out random problems is real evidence the engine is +correct; a shared-code "oracle" would only prove the engine agrees with itself. + +It is intentionally simple and slow (O(2^atoms)) — correctness by obviousness, not +performance. The lane keeps atom counts small so enumeration stays cheap. + +Grammar / precedence match the ROBDD's so the same formula string means the same +thing in both procedures (the comparison is about the *decision*, not parsing): + iff < implies < or < and < not (implies right-associative) +""" + +from __future__ import annotations + +from itertools import product +from typing import Final + +# --- independent tokenizer ------------------------------------------------- + +_OPS: Final[tuple[tuple[str, str], ...]] = ( + ("<->", "IFF"), ("↔", "IFF"), ("≡", "IFF"), + ("->", "IMP"), ("→", "IMP"), ("⊃", "IMP"), + ("∧", "AND"), ("&&", "AND"), ("&", "AND"), + ("∨", "OR"), ("||", "OR"), ("|", "OR"), + ("¬", "NOT"), ("~", "NOT"), ("!", "NOT"), + ("(", "LP"), (")", "RP"), +) +_KW: Final[dict[str, str]] = { + "and": "AND", "or": "OR", "not": "NOT", "implies": "IMP", + "iff": "IFF", "true": "TRUE", "false": "FALSE", +} + + +class OracleError(ValueError): + """Malformed formula — the oracle refuses to guess, same posture as the engine.""" + + +def _tokenize(text: str) -> list[tuple[str, str]]: + toks: list[tuple[str, str]] = [] + i, n = 0, len(text) + while i < n: + c = text[i] + if c.isspace(): + i += 1 + continue + hit = False + for spell, kind in _OPS: + if text.startswith(spell, i): + toks.append((kind, spell)) + i += len(spell) + hit = True + break + if hit: + continue + if c.isalpha() or c == "_": + j = i + 1 + while j < n and (text[j].isalnum() or text[j] == "_"): + j += 1 + word = text[i:j] + toks.append((_KW.get(word.lower(), "ATOM"), word)) + i = j + continue + raise OracleError(f"unexpected character {c!r}") + return toks + + +# --- independent recursive-descent parser ---------------------------------- + + +class _P: + def __init__(self, toks: list[tuple[str, str]]) -> None: + self.toks = toks + self.i = 0 + + def _peek(self) -> tuple[str, str] | None: + return self.toks[self.i] if self.i < len(self.toks) else None + + def _eat(self) -> tuple[str, str]: + if self.i >= len(self.toks): + raise OracleError("unexpected end of formula") + t = self.toks[self.i] + self.i += 1 + return t + + def parse(self) -> tuple: + if not self.toks: + raise OracleError("empty formula") + ast = self._iff() + if self.i != len(self.toks): + raise OracleError("trailing tokens") + return ast + + def _iff(self) -> tuple: + node = self._imp() + while (t := self._peek()) and t[0] == "IFF": + self._eat() + node = ("iff", node, self._imp()) + return node + + def _imp(self) -> tuple: + node = self._or() + if (t := self._peek()) and t[0] == "IMP": + self._eat() + node = ("imp", node, self._imp()) # right-assoc + return node + + def _or(self) -> tuple: + node = self._and() + while (t := self._peek()) and t[0] == "OR": + self._eat() + node = ("or", node, self._and()) + return node + + def _and(self) -> tuple: + node = self._not() + while (t := self._peek()) and t[0] == "AND": + self._eat() + node = ("and", node, self._not()) + return node + + def _not(self) -> tuple: + if (t := self._peek()) and t[0] == "NOT": + self._eat() + return ("not", self._not()) + return self._atom() + + def _atom(self) -> tuple: + kind, lex = self._eat() + if kind == "ATOM": + return ("atom", lex) + if kind == "TRUE": + return ("const", True) + if kind == "FALSE": + return ("const", False) + if kind == "LP": + inner = self._iff() + if self._eat()[0] != "RP": + raise OracleError("expected ')'") + return inner + raise OracleError(f"unexpected token {lex!r}") + + +def _atoms(ast: tuple) -> set[str]: + k = ast[0] + if k == "atom": + return {ast[1]} + if k == "const": + return set() + if k == "not": + return _atoms(ast[1]) + return _atoms(ast[1]) | _atoms(ast[2]) + + +def _eval(ast: tuple, env: dict[str, bool]) -> bool: + k = ast[0] + if k == "atom": + return env[ast[1]] + if k == "const": + return ast[1] + if k == "not": + return not _eval(ast[1], env) + a = _eval(ast[1], env) + b = _eval(ast[2], env) + if k == "and": + return a and b + if k == "or": + return a or b + if k == "imp": + return (not a) or b + if k == "iff": + return a == b + raise OracleError(f"unknown node {k!r}") # pragma: no cover + + +def _parse(formula: str) -> tuple: + return _P(_tokenize(formula)).parse() + + +# --- the oracle verdict ---------------------------------------------------- + +# Verdict strings match generate.proof_chain.entail.Entailment values exactly so the +# runner can compare engine.outcome.value to the oracle verdict directly. +ENTAILED: Final[str] = "entailed" +REFUTED: Final[str] = "refuted" +UNKNOWN: Final[str] = "unknown" +REFUSED: Final[str] = "refused" + + +def oracle_entailment(premises: tuple[str, ...], query: str) -> str: + """Brute-force entailment verdict over all truth assignments. + + Enumerates every assignment of the atoms appearing anywhere in premises+query; + a *model* is an assignment satisfying every premise. Returns: + ``entailed`` if query holds in all models, ``refuted`` if in none, + ``unknown`` if in some-but-not-all, ``refused`` if there are no models + (inconsistent premises) or anything fails to parse.""" + try: + prem_asts = [_parse(p) for p in premises] + q_ast = _parse(query) + except OracleError: + return REFUSED + + atoms = set(_atoms(q_ast)) + for a in prem_asts: + atoms |= _atoms(a) + ordered = sorted(atoms) + + models = 0 + q_true = 0 + for combo in product((False, True), repeat=len(ordered)): + env = dict(zip(ordered, combo)) + if all(_eval(a, env) for a in prem_asts): + models += 1 + if _eval(q_ast, env): + q_true += 1 + + if models == 0: + return REFUSED # inconsistent premises + if q_true == models: + return ENTAILED + if q_true == 0: + return REFUTED + return UNKNOWN diff --git a/evals/deductive_logic/runner.py b/evals/deductive_logic/runner.py new file mode 100644 index 00000000..938d72e9 --- /dev/null +++ b/evals/deductive_logic/runner.py @@ -0,0 +1,97 @@ +"""Deductive-logic lane runner — scores the entailment engine against the oracle gold. + +The honest capability metric for CORE's deterministic deduction. For each committed +case it runs :func:`generate.proof_chain.entail.evaluate_entailment` and compares the +outcome to the gold (computed by the independent truth-table oracle at generation). + +Counts: +* ``correct`` — engine outcome == gold (a right deduction, including a right + ``unknown``). +* ``wrong`` — engine outcome != gold and engine did not refuse (a confabulated + deduction — this MUST stay 0). +* ``refused`` — engine returned ``refused`` (should not happen on these + well-formed, consistent, propositional cases; counted separately, never as wrong). + +A breakdown by gold class (entailed / refuted / unknown) is reported so the +"sizeable numbers" are visible: how many non-trivial entailments/refutations the +engine decides correctly, not just how many ``unknown``s it passes through. + +Exits non-zero if ``wrong > 0`` (the floor). +""" + +from __future__ import annotations + +import json +import sys +from collections import Counter +from pathlib import Path + +from generate.proof_chain.entail import Entailment, evaluate_entailment + +_ROOT = Path(__file__).resolve().parent + + +def _load(path: Path) -> list[dict]: + with path.open(encoding="utf-8") as fh: + return [json.loads(line) for line in fh if line.strip()] + + +def build_report(cases: list[dict]) -> dict: + counts = Counter({"correct": 0, "wrong": 0, "refused": 0}) + by_gold: Counter[str] = Counter() + correct_by_gold: Counter[str] = Counter() + wrong_examples: list[dict] = [] + + for case in cases: + gold = case["gold"] + by_gold[gold] += 1 + verdict = evaluate_entailment(tuple(case["premises"]), case["query"]) + got = verdict.outcome.value + if got == gold: + counts["correct"] += 1 + correct_by_gold[gold] += 1 + elif verdict.outcome is Entailment.REFUSED: + counts["refused"] += 1 + else: + counts["wrong"] += 1 + if len(wrong_examples) < 10: + wrong_examples.append( + {"id": case["id"], "gold": gold, "got": got, + "premises": case["premises"], "query": case["query"]} + ) + + return { + "n": len(cases), + "counts": dict(counts), + "by_gold": dict(by_gold), + "correct_by_gold": dict(correct_by_gold), + "wrong_examples": wrong_examples, + } + + +def _run(name: str, path: Path) -> dict: + report = build_report(_load(path)) + c = report["counts"] + bg = report["by_gold"] + cbg = report["correct_by_gold"] + print(f"[{name}] n={report['n']} " + f"correct={c['correct']} wrong={c['wrong']} refused={c['refused']}") + print(f" gold mix: entailed={bg.get('entailed', 0)} " + f"refuted={bg.get('refuted', 0)} unknown={bg.get('unknown', 0)}") + print(f" correct by class: entailed={cbg.get('entailed', 0)} " + f"refuted={cbg.get('refuted', 0)} unknown={cbg.get('unknown', 0)}") + if report["wrong_examples"]: + print(" WRONG examples:") + for w in report["wrong_examples"]: + print(f" {w['id']}: gold={w['gold']} got={w['got']} " + f"premises={w['premises']} query={w['query']}") + return report + + +if __name__ == "__main__": + reports = { + "dev": _run("dev", _ROOT / "dev" / "cases.jsonl"), + "holdout-v1": _run("holdout-v1", _ROOT / "holdout" / "v1" / "cases.jsonl"), + } + total_wrong = sum(r["counts"]["wrong"] for r in reports.values()) + sys.exit(1 if total_wrong > 0 else 0) diff --git a/generate/proof_chain/entail.py b/generate/proof_chain/entail.py new file mode 100644 index 00000000..c1683a9c --- /dev/null +++ b/generate/proof_chain/entail.py @@ -0,0 +1,108 @@ +"""ADR-0206 — Propositional entailment operator (proof_chain phase 2.4). + +The multi-hop inference operator ``gaps.md`` asked for and ADR-0205 deferred. Where +:func:`generate.proof_chain.rules.evaluate_modus_ponens` is **single-step** ("unique +conclusion among single-step modus ponens"), this is the full, sound **and complete** +propositional entailment decision built directly on the ADR-0201 ROBDD keystone: + + premises ⊨ query iff (⋀ premises) → query is a tautology. + +Because the ROBDD is a *canonical, complete* decision procedure for propositional +logic, this answers arbitrary multi-hop deductive queries (chains of implications, +conjunctive rules, contrapositive, disjunctive syllogism — anything propositional), +not just one modus-ponens step. ``wrong == 0`` is structural: a tautology check is +exact, never approximate, and the canonicalizer **refuses** (``LogicError``) rather +than guess on malformed / out-of-decidable-regime (quantified/predicate) input. + +Four outcomes, all sound: + +* ``ENTAILED`` — ``(⋀P) → Q`` is a tautology (Q holds in every model of P). +* ``REFUTED`` — ``(⋀P) → ¬Q`` is a tautology (Q fails in every model of P). +* ``UNKNOWN`` — neither; Q is true in some models of P and false in others. +* ``REFUSED`` — premises are inconsistent (no model — everything would follow + vacuously, so we decline an answer) **or** input is malformed / out-of-regime. + +Honesty boundary (load-bearing): **propositional only**. Atoms are opaque Boolean +variables; predicate/quantified structure is out of regime and refuses (ADR-0201.1). +A grounded finite-entity problem (each predicate-entity pair → one atom) IS +propositional and in scope; an ungrounded ``forall x. P(x)`` is not. +""" + +from __future__ import annotations + +from dataclasses import dataclass +from enum import Enum +from typing import Final + +from generate.logic_canonical import LogicError, canonicalize + + +class Entailment(str, Enum): + ENTAILED = "entailed" + REFUTED = "refuted" + UNKNOWN = "unknown" + REFUSED = "refused" + + +# Closed reason vocabulary (the mechanism makes exactly these distinctions). +TAUTOLOGICAL_IMPLICATION: Final[str] = "tautological_implication" # entailed +TAUTOLOGICAL_REFUTATION: Final[str] = "tautological_refutation" # refuted +UNDETERMINED: Final[str] = "undetermined" # unknown +INCONSISTENT_PREMISES: Final[str] = "inconsistent_premises" # refused +OUT_OF_REGIME_OR_MALFORMED: Final[str] = "out_of_regime_or_malformed" # refused + +ENTAILMENT_REASONS: Final[frozenset[str]] = frozenset({ + TAUTOLOGICAL_IMPLICATION, + TAUTOLOGICAL_REFUTATION, + UNDETERMINED, + INCONSISTENT_PREMISES, + OUT_OF_REGIME_OR_MALFORMED, +}) + + +@dataclass(frozen=True, slots=True) +class EntailmentVerdict: + outcome: Entailment + reason: str + + +def _conjoin(premises: tuple[str, ...]) -> str: + """Fully-parenthesized conjunction of the premise formulas (``true`` if empty). + + Each premise is wrapped so its internal precedence cannot bleed across the + ``&`` joins; an empty premise set is the always-true antecedent.""" + if not premises: + return "true" + return " & ".join(f"({p})" for p in premises) + + +def evaluate_entailment(premises: tuple[str, ...], query: str) -> EntailmentVerdict: + """Decide whether ``premises`` propositionally entail / refute ``query``. + + Sound and complete over the propositional regime; refusal-first on anything + outside it. Never raises on a logic-domain error — every ``LogicError`` (and + its regime/budget subclasses) maps to a typed ``REFUSED`` verdict.""" + try: + conj = _conjoin(premises) + conj_canon = canonicalize(conj) + if conj_canon.is_contradiction: + # No model satisfies the premises: from a contradiction everything + # follows. We decline rather than assert a vacuous entailment. + return EntailmentVerdict(Entailment.REFUSED, INCONSISTENT_PREMISES) + # Force the query through the canonicalizer too, so a malformed / out-of- + # regime query refuses even when the implication check would shortcut. + canonicalize(query) + entailed = canonicalize(f"({conj}) -> ({query})").is_tautology + refuted = canonicalize(f"({conj}) -> (~({query}))").is_tautology + except LogicError: + return EntailmentVerdict(Entailment.REFUSED, OUT_OF_REGIME_OR_MALFORMED) + + if entailed and refuted: + # Only possible if the premises are inconsistent, already handled above; + # defensive — never assert a contradiction-derived answer. + return EntailmentVerdict(Entailment.REFUSED, INCONSISTENT_PREMISES) + if entailed: + return EntailmentVerdict(Entailment.ENTAILED, TAUTOLOGICAL_IMPLICATION) + if refuted: + return EntailmentVerdict(Entailment.REFUTED, TAUTOLOGICAL_REFUTATION) + return EntailmentVerdict(Entailment.UNKNOWN, UNDETERMINED) diff --git a/tests/test_deductive_logic_entail.py b/tests/test_deductive_logic_entail.py new file mode 100644 index 00000000..aa711581 --- /dev/null +++ b/tests/test_deductive_logic_entail.py @@ -0,0 +1,140 @@ +"""ADR-0206 — propositional entailment operator + the deductive-logic lane. + +Three obligations, each able to fail loudly under the violation it guards: + +1. **Soundness on classic inference shapes** — hand-verified modus ponens, multi-hop + chains, modus tollens, disjunctive/hypothetical syllogism, and a genuine + ``unknown`` all decide correctly. +2. **Refusal-first boundary** — inconsistent premises, out-of-regime (quantified) + and malformed input all return a typed ``REFUSED`` rather than a guess. +3. **wrong=0 vs an independent oracle** — a deterministic fuzz cross-checks the + ROBDD engine against the brute-force truth-table oracle on fresh random + problems; any disagreement is a real soundness bug and fails this test. Plus the + committed held-out lane holds ``wrong == 0``. +""" + +from __future__ import annotations + +import random + +import pytest + +from evals.deductive_logic.generate import _make_case +from evals.deductive_logic.oracle import oracle_entailment +from evals.deductive_logic.runner import _ROOT, _load, build_report +from generate.proof_chain.entail import ( + INCONSISTENT_PREMISES, + OUT_OF_REGIME_OR_MALFORMED, + Entailment, + evaluate_entailment, +) + + +# --- 1. classic inference shapes (hand-verified) --------------------------- + +@pytest.mark.parametrize( + "premises,query,expected", + [ + # modus ponens + (("P", "P -> Q"), "Q", Entailment.ENTAILED), + # multi-hop chain: P, P->Q, Q->R ⊨ R + (("P", "P -> Q", "Q -> R"), "R", Entailment.ENTAILED), + # modus tollens: P->Q, ~Q ⊨ ~P + (("P -> Q", "~Q"), "~P", Entailment.ENTAILED), + # disjunctive syllogism: P|Q, ~P ⊨ Q + (("P | Q", "~P"), "Q", Entailment.ENTAILED), + # hypothetical syllogism (the conclusion is itself an implication) + (("P -> Q", "Q -> R"), "P -> R", Entailment.ENTAILED), + # refutation: P, P->~Q ⊨ ~Q (so Q is REFUTED) + (("P", "P -> ~Q"), "Q", Entailment.REFUTED), + # genuinely undetermined: nothing forces Q either way + (("P", "R -> Q"), "Q", Entailment.UNKNOWN), + # conjunctive antecedent rule: A, B, (A & B)->C ⊨ C + (("A", "B", "(A & B) -> C"), "C", Entailment.ENTAILED), + # conjunctive rule with a missing conjunct: A, (A & B)->C ⊭ C + (("A", "(A & B) -> C"), "C", Entailment.UNKNOWN), + ], +) +def test_classic_inferences(premises, query, expected) -> None: + assert evaluate_entailment(premises, query).outcome is expected + + +# --- 2. refusal-first boundary -------------------------------------------- + +def test_inconsistent_premises_refuse() -> None: + v = evaluate_entailment(("P", "~P"), "Q") + assert v.outcome is Entailment.REFUSED + assert v.reason == INCONSISTENT_PREMISES + + +def test_quantified_input_refuses_out_of_regime() -> None: + v = evaluate_entailment(("forall x. P",), "P") + assert v.outcome is Entailment.REFUSED + assert v.reason == OUT_OF_REGIME_OR_MALFORMED + + +def test_predicate_application_refuses() -> None: + assert evaluate_entailment(("rough(x)",), "P").outcome is Entailment.REFUSED + + +def test_malformed_query_refuses() -> None: + assert evaluate_entailment(("P",), "P & & Q").outcome is Entailment.REFUSED + + +# --- 3a. wrong=0 vs the independent oracle (deterministic fuzz) ------------- + +def test_engine_matches_independent_oracle_fuzz() -> None: + """ROBDD engine vs brute-force truth-table oracle on 3000 fresh random cases. + + These are two independently-coded sound decision procedures. A single + disagreement means one of them is wrong — the property the GSM8K composer + could never establish. Deterministic seed for reproducibility.""" + rng = random.Random(424242) + checked = disagreements = 0 + for i in range(3000): + case = _make_case(rng, f"t-{i}") + if case is None: + # generator-discarded == oracle said inconsistent; engine must REFUSE too + continue + checked += 1 + got = evaluate_entailment(tuple(case["premises"]), case["query"]).outcome.value + if got != case["gold"]: + disagreements += 1 + assert checked > 1500, f"fuzz produced too few definite cases ({checked})" + assert disagreements == 0, f"{disagreements} engine/oracle disagreements" + + +def test_engine_refuses_every_inconsistent_case() -> None: + """The complement: when the oracle reports inconsistency, the engine must also + refuse (never silently 'decide' from a contradiction).""" + rng = random.Random(515151) + seen_inconsistent = 0 + for _ in range(4000): + k = rng.randint(2, 4) + atoms = [chr(ord("a") + j) for j in range(k)] + prem = [rng.choice([at, f"~{at}"]) for at in atoms] + [ + rng.choice([at, f"~{at}"]) for at in atoms + ] + query = rng.choice(atoms) + if oracle_entailment(tuple(prem), query) == "refused": + seen_inconsistent += 1 + assert evaluate_entailment(tuple(prem), query).outcome is Entailment.REFUSED + assert seen_inconsistent > 0 # the test actually exercised the path + + +# --- 3b. committed held-out lane holds wrong=0 ----------------------------- + +def test_holdout_lane_wrong_is_zero() -> None: + report = build_report(_load(_ROOT / "holdout" / "v1" / "cases.jsonl")) + assert report["n"] == 500 + assert report["counts"]["wrong"] == 0 + # the sizeable, honest signal: non-trivial deductions decided correctly + cbg = report["correct_by_gold"] + assert cbg.get("entailed", 0) >= 50 + assert cbg.get("refuted", 0) >= 50 + + +def test_dev_lane_wrong_is_zero() -> None: + report = build_report(_load(_ROOT / "dev" / "cases.jsonl")) + assert report["n"] == 200 + assert report["counts"]["wrong"] == 0