Connectives

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19 Terms

1
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what does ~ mean?

not

2
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what does V mean?

Either…Or

3
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What does · mean?

And

4
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What does ⊃ mean?

If…Then

5
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What does ≡ mean?

If and only if

6
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What kind of term is ~/not

Negation

7
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What kind of term is V/either…or

Disjunction

8
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What kind of term is ·/and?

Conjunction

9
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What kind of term is ⊃/if…then?

Conditional

10
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What kind of term is ≡/if and only if

biconditional

11
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What symbol would you use for “unless”

V

12
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Truth Table for ~

opposite

13
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truth table for V

always true unless both F

14
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truth table for ⊃

always true unless T,F

15
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truth table for ≡

need to be 2 of the same, TT or FF

16
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truth table for ·

both have to be true to be true. 

17
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What is Contingent

true and false

18
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what is tautology?

all true

19
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What is self-contradictory

all false