5.3 notes - 5.3-Rules & FallaciesBoolean...

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Unformatted text preview: 5.3-Rules & FallaciesBoolean StandpointRule 1: The middle term must be distributed at least once.Fallacy: Undistributed MiddleEx:All sharks are fishAll salmon are fishAll salmon are sharks-middle term is fish-both premises fish occurs in predicate of A proposition and is not distributed in either premise-A proposition distributes subjectA-Subject distributedE-Subject & Predicate distributedI-nothingO-Predicate distributed-----------------------------------------------------------------------------------------------------------------------------------------------------------Rule 2: If a term is distributed in the conclusion, then it must be distributed in a premise.Fallacy: Illicit major; Illicit minorEx:All horses are animals.**illicit major**Some dogs are not horses.Some dogs are not animals.All tigers are mammals**illicit minor**All mammals are animalsAll animals are tigers....
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5.3 notes - 5.3-Rules & FallaciesBoolean...

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