Converstion

Converstion - Converstion Convertend A: All S is P E: No S...

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Converstion Convertend Converse A: All S is P I: Some P is S (limit) E: No S is P E: No P is S I: Some S is P I: Some P is S O: Some S is ~P not valid Obversion Obvertend Obverse A: All S is P E: No S is ~P E: No S is P A: All S is ~P I: Some S is P O: Some S is not ~P O: Some S is ~P E: Some S is ~P Contraposition Premise Contrapositive A: All S is P A: All ~P is ~S E: No S is P O:Some ~P is not ~S I: Some S is P not valid O: Some S is ~P O: Some ~P is not ~S Contradictories: cannot both be true and cannot both be false Contraries: Cannot both be true Sub contraries: Cannot both be false, although both maybe true Syllogism S: Subject of the conclusion P: predicate of the conclusion M: Middle term First Figure Second Figure M is P P is M S is M S is M So S is P So S is P Third Figure Fourth Figure M is P P is M M is S M is S So S is P So S is P Syllogistic Rules and Fallacies Rule Associated Fallacy 1. Avoid four terms Four terms 2. Distriubted the middle term in at least one premise undistributed middle 3. Any term
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Converstion - Converstion Convertend A: All S is P E: No S...

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