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Related Flashcards
Cards In This Set
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Quality of a categorical proposition
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The quality of a categorical proposition is either affirmative or negative depending on whether it affirms or denies class membership
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Affirmative statements
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All S are PSome S are P
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Negative statements
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No S are PSome S are not P
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Quantity of a categorical proposition
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The quantity of a categorical proposition is either universal or particular depending on whether the statement makes a claim about every member or just some member of the class denoted by the subject term
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Universal statements
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All S are PNo S are P*each assert something about every member of the S classALL and NO represent universal quality
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Particular statements
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Some S are PSome S are not P* asserts something about at least one or more members of the S classSOME implies particular quality
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A Propositions
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A- universal affirmative All S are P subject term is distributed predicate term is undistributed
*universal statements distribute their subject term |
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E Propositions
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E- universal negative No S are P every member of S is separate from every member of P and every member of P separate from every member of S Both subject term and predicate term are distributed*universal statements distribute their subject term*negative statements distribute their predicate term
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I Propositions
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I- particular affirmative Some S are P makes claim about at least one member of S and P, but not allNeither subject term nor predicate term is distributed
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O Propositions
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O- particular negative Some S are NOT P does not make a claim about every member of SSubject term, while predicate term is separate and distinctSubject term is undistributed, predicate term is distributed*negative statements distribute their predicate term
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