Flashcards
Counterexamples and Invalidity
Cards in this deck (8)
- 1Substitution InstanceAn argument that results from uniformly replacing letters in an argument form with terms (or statements)
- 2CounterexampleA substitution instance in which the premises are true and the conclusion is false
- 3Categorical StatementA statement that relates two classes or categories, where a class is a set or collection of things
- 4What makes a good counterexample?The premises are true and the conclusion is false
- 5TermA word or phrase that stands for a class of things
- 6Fallacy of Denying the AntecedentInvalid form: If A, then B. Not A. So, Not B.
- 7Fallacy of Affirming the ConsequentInvalid form: If A, then B. B. So, A.
- 8How does modus ponens work?It affirms the antecedent of its conditional premise while its conclusion affirms the consequent
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- Flashcards on Counterexamples and Invalidity, created by joebeadle on 05/01/2016.
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- joebeadle
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