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Implication or conditional truth function,
→
Similar to IF____ THEN_____
P
→
Q is not equivalent to Q
→
P
ABA
&
B
B
&
A
A
V
BB
V
AA
→
→
A
TTTTTTTT
TFFFTTFT
FTFFTTTF
FFFFFFTT
Subjunctive, counterfactual are not truth functional i.e.
If I lived in LA I would live in California.
Material conditionals are what we are dealing with in this class.
If you get 100% on every test, I will give you an A.
This is only false if you get 100 on each test, but don't get an A.
A conditional is always true when the antecedent is false.
Biconditional, ______IF and only IF ______, IFF,
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 Spring '08
 Morgan

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