Formal Fallacies Flashcards by Patricia Seno

Q

Affirming the consequent

A

P1: P->Q
P2: Q
con: P

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Q

Deriving ‘ought’ from ‘is’

A

When a conclusion that makes a claim about ‘should/ought’ is changed to ‘is’

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Q

Denying the antecedent

A

P1: P->Q
P2: -P
con: -Q

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