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7 Cards in this Set
- Front
- Back
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tautologous statement
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logically true
compound statement that is true regardless of the truth values of its components necessarily true |
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self-contradictory statement
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logically false
statement that is false regardless of the truth value of its components necessarily false |
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contingent statement
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statement whose truth value varies depending upon the truth values of its components
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logically equivalent statements
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two propositions who have the same truth value on each line under their main operator
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contradictory statements
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two propositions that have opposite truth values on each line under their main operatorsc
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consistent statements
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two or more propositions that have at least one line on which both or all of them turn out to be true
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inconsistent statements
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two or more propositions in which there is no line on which both or all of the statements turn out to be true
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