philo unit 3 vocab

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10 Terms

1
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contradiction

false on every assignment

2
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contingent

true on some assignments of truth values to its components and false on others

3
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logically equivalent

have the same truth value on every assignment of truth values to their components

4
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logically consistent

both (or all) are true on some assignment of truth values to their components

5
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logically inconsistent

both (or all) are never true on any assignment of truth values to their components

6
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mutually exclusive

2 statements cannot both be true at the same time

7
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conjunction

only true if both parts are true

8
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disjunction

true if at least one part is true

9
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conditional

only false when P is true and Q is false

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biconditional

true when both parts have same truth values