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274 lines
9.1 KiB
Python
274 lines
9.1 KiB
Python
"""Tests for syllogism task generation"""
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import pytest
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from reasoning_gym.logic.syllogisms import Quantifier, SyllogismConfig, SyllogismDataset, Term
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def test_syllogism_config_validation():
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"""Test that invalid configs raise appropriate errors"""
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with pytest.raises(AssertionError):
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config = SyllogismConfig(
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allow_all=False,
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allow_no=False,
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allow_some=False,
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allow_some_not=False,
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) # No quantifiers allowed
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config.validate()
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with pytest.raises(AssertionError):
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config = SyllogismConfig(invalid_ratio=-0.1) # Invalid ratio
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config.validate()
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with pytest.raises(AssertionError):
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config = SyllogismConfig(invalid_ratio=1.1) # Invalid ratio
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config.validate()
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def test_syllogism_dataset_deterministic():
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"""Test that dataset generates same items with same seed"""
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config = SyllogismConfig(seed=42, size=10)
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dataset1 = SyllogismDataset(config)
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dataset2 = SyllogismDataset(config)
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for i in range(len(dataset1)):
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assert dataset1[i] == dataset2[i]
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def test_syllogism_dataset_items():
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"""Test basic properties of generated items"""
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config = SyllogismConfig(size=10, seed=42)
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dataset = SyllogismDataset(config)
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for i in range(len(dataset)):
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item = dataset[i]
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# Check item structure
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assert isinstance(item, dict)
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assert "question" in item
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assert "answer" in item
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assert "metadata" in item
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# Check metadata
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assert "premise1" in item["metadata"]
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assert "premise2" in item["metadata"]
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assert "conclusion" in item["metadata"]
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assert "is_valid" in item["metadata"]
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# Verify answer format
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assert item["answer"] in ("Yes", "No")
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# Verify question format
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assert "Consider these statements:" in item["question"]
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assert "1." in item["question"]
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assert "2." in item["question"]
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assert "Does it logically follow that:" in item["question"]
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def test_valid_syllogism_forms():
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"""Test specific valid syllogistic forms"""
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config = SyllogismConfig(size=1, seed=42)
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dataset = SyllogismDataset(config)
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# Create some test terms
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A = Term("mortal", "mortals")
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B = Term("human", "humans")
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C = Term("animal", "animals")
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# Test Barbara (AAA-1)
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# Major premise: All M are P
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# Minor premise: All S are M
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# Conclusion: All S are P
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assert dataset._is_valid_syllogism(
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(Quantifier.ALL, B, C), # All B (M) are C (P)
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(Quantifier.ALL, A, B), # All A (S) are B (M)
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(Quantifier.ALL, A, C), # All A (S) are C (P)
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)
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# Test Celarent (EAE-1)
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# Major premise: No M are P
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# Minor premise: All S are M
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# Conclusion: No S are P
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assert dataset._is_valid_syllogism(
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(Quantifier.NO, B, C), # No B (M) are C (P)
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(Quantifier.ALL, A, B), # All A (S) are B (M)
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(Quantifier.NO, A, C), # No A (S) are C (P)
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)
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# Test Cesare (EAE-2) — corrected order
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# Major premise: No P are M
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# Minor premise: All S are M
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# Conclusion: No S are P
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assert dataset._is_valid_syllogism(
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(Quantifier.NO, C, B), # No C (P) are B (M) [Major premise]
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(Quantifier.ALL, A, B), # All A (S) are B (M) [Minor premise]
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(Quantifier.NO, A, C), # No A (S) are C (P)
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)
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# Test Darii (AII-1)
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# Major premise: All M are P
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# Minor premise: Some S are M
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# Conclusion: Some S are P
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assert dataset._is_valid_syllogism(
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(Quantifier.ALL, B, C), # All B (M) are C (P)
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(Quantifier.SOME, A, B), # Some A (S) are B (M)
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(Quantifier.SOME, A, C), # Some A (S) are C (P)
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)
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# Test Disamis (IAI-3)
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# Major premise: Some M are P
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# Minor premise: All M are S
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# Conclusion: Some S are P
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assert dataset._is_valid_syllogism(
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(Quantifier.SOME, B, C), # Some B (M) are C (P)
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(Quantifier.ALL, B, A), # All B (M) are A (S)
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(Quantifier.SOME, A, C), # Some A (S) are C (P)
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)
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# Test Ferio (EIO-1)
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# Major premise: No M are P
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# Minor premise: Some S are M
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# Conclusion: Some S are not P
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assert dataset._is_valid_syllogism(
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(Quantifier.NO, B, C), # No B (M) are C (P)
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(Quantifier.SOME, A, B), # Some A (S) are B (M)
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(Quantifier.SOME_NOT, A, C), # Some A (S) are not C (P)
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)
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# Test Festino (EIO-2)
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# Major premise: No P are M
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# Minor premise: Some S are M
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# Conclusion: Some S are not P
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assert dataset._is_valid_syllogism(
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(Quantifier.NO, C, B), # No C (P) are B (M)
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(Quantifier.SOME, A, B), # Some A (S) are B (M)
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(Quantifier.SOME_NOT, A, C), # Some A (S) are not C (P)
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)
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# Test Datisi (AII-3)
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# Major premise: All M are P
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# Minor premise: Some M are S
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# Conclusion: Some S are P
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assert dataset._is_valid_syllogism(
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(Quantifier.ALL, B, C), # All B (M) are C (P)
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(Quantifier.SOME, B, A), # Some B (M) are A (S)
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(Quantifier.SOME, A, C), # Some A (S) are C (P)
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)
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# Test Bocardo (OAO-3)
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# Major premise: Some M are not P
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# Minor premise: All M are S
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# Conclusion: Some S are not P
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assert dataset._is_valid_syllogism(
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(Quantifier.SOME_NOT, B, C), # Some B (M) are not C (P)
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(Quantifier.ALL, B, A), # All B (M) are A (S)
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(Quantifier.SOME_NOT, A, C), # Some A (S) are not C (P)
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)
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# Test Baroco (AOO-2)
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# Major premise: All P are M
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# Minor premise: Some S are not M
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# Conclusion: Some S are not P
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assert dataset._is_valid_syllogism(
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(Quantifier.ALL, C, B), # All C (P) are B (M)
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(Quantifier.SOME_NOT, A, B), # Some A (S) are not B (M)
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(Quantifier.SOME_NOT, A, C), # Some A (S) are not C (P)
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)
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# Test Camestres (AEE-2)
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# Major premise: All P are M
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# Minor premise: No S are M
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# Conclusion: No S are P
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assert dataset._is_valid_syllogism(
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(Quantifier.ALL, C, B), # All C (P) are B (M)
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(Quantifier.NO, A, B), # No A (S) are B (M)
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(Quantifier.NO, A, C), # No A (S) are C (P)
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)
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# Test Dimaris (IAI-4)
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# Major premise: Some P are M
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# Minor premise: All M are S
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# Conclusion: Some S are P
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assert dataset._is_valid_syllogism(
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(Quantifier.SOME, C, B), # Some C (P) are B (M)
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(Quantifier.ALL, B, A), # All B (M) are A (S)
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(Quantifier.SOME, A, C), # Some A (S) are C (P)
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)
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# Test Ferison (EIO-3)
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# Major premise: No M are P
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# Minor premise: Some M are S
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# Conclusion: Some S are not P
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assert dataset._is_valid_syllogism(
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(Quantifier.NO, B, C), # No B (M) are C (P)
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(Quantifier.SOME, B, A), # Some B (M) are A (S)
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(Quantifier.SOME_NOT, A, C), # Some A (S) are not C (P)
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)
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# Test Fresison (EIO-4)
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# Major premise: No P are M
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# Minor premise: Some M are S
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# Conclusion: Some S are not P
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assert dataset._is_valid_syllogism(
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(Quantifier.NO, C, B), # No C (P) are B (M)
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(Quantifier.SOME, B, A), # Some B (M) are A (S)
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(Quantifier.SOME_NOT, A, C), # Some A (S) are not C (P)
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)
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# Test Camenes (AEE-4)
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# Major premise: All P are M
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# Minor premise: No M are S
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# Conclusion: No S are P
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assert dataset._is_valid_syllogism(
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(Quantifier.ALL, C, B), # All C (P) are B (M)
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(Quantifier.NO, B, A), # No B (M) are A (S)
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(Quantifier.NO, A, C), # No A (S) are C (P)
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)
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# Test invalid forms
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assert not dataset._is_valid_syllogism(
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(Quantifier.SOME, B, C), # Some B are C
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(Quantifier.SOME, A, B), # Some A are B
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(Quantifier.SOME, A, C), # Some A are C (invalid: two particular premises)
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)
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assert not dataset._is_valid_syllogism(
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(Quantifier.NO, B, C), # No B are C
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(Quantifier.NO, A, B), # No A are B
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(Quantifier.NO, A, C), # No A are C (invalid: two negative premises)
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)
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# Test specific invalid case with two negative premises
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S = Term("student", "students")
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M = Term("human", "humans")
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P = Term("chef", "chefs")
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assert not dataset._is_valid_syllogism(
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(Quantifier.NO, S, M), # No students are humans
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(Quantifier.NO, M, P), # No humans are chefs
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(Quantifier.NO, S, P), # No students are chefs (invalid!)
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)
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child = Term("child", "children")
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animal = Term("animal", "animals")
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doctor = Term("doctor", "doctors")
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# Premise 1: Some children are not animals
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# Premise 2: All animals are doctors
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# Conclusion: Some children are not doctors
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# We expect this NOT to be a valid syllogism
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assert not dataset._is_valid_syllogism(
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(Quantifier.SOME_NOT, child, animal), # Some children are not animals
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(Quantifier.ALL, animal, doctor), # All animals are doctors
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(Quantifier.SOME_NOT, child, doctor), # Some children are not doctors
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)
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def test_syllogism_dataset_iteration():
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"""Test that iteration respects dataset size"""
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config = SyllogismConfig(size=5, seed=42)
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dataset = SyllogismDataset(config)
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items = list(dataset)
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assert len(items) == config.size
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# Test multiple iterations yield same items
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assert items == list(dataset)
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