Introductory Logic |
Quiz #3
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March
17 , 2006
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Name: ________________________ |
R. Hammack
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Score: _________
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~
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(
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~
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P
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⊃
|
Q
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)
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~
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Q
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•
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~
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P
|
|
F
|
F
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T
|
T
|
T
|
F
|
T
|
F
|
F
|
T
|
|||
F
|
F
|
T
|
T
|
F
|
T
|
F
|
F
|
F
|
T
|
|||
F
|
T
|
F
|
T
|
T
|
F
|
T
|
F
|
T
|
F
|
|||
T
|
T
|
F
|
F
|
F
|
T
|
F
|
T
|
T
|
F
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2. Decide if the following argument is valid or invalid by writing out
its truth table.
Be sure to explain how your answer follows from the
truth table.
P ⊃ Q |
~(Q • ~R) |
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P ⊃ R |
P
|
⊃
|
Q
|
~
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(
|
Q
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•
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~
|
R
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)
|
P
|
⊃
|
R
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||
T
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T
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T
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T
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T
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F
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F
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T
|
T
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T
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T
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||||
T
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T
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T
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F
|
T
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T
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T
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F
|
T
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F
|
F
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||||
T
|
F
|
F
|
T
|
F
|
F
|
F
|
T
|
T
|
T
|
T
|
||||
T
|
F
|
F
|
T
|
F
|
F
|
T
|
F
|
T
|
F
|
F
|
||||
F
|
T
|
T
|
T
|
T
|
F
|
F
|
T
|
F
|
T
|
T
|
||||
F
|
T
|
T
|
F
|
T
|
T
|
T
|
F
|
F
|
T
|
F
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||||
F
|
T
|
F
|
T
|
F
|
F
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F
|
T
|
F
|
T
|
T
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||||
F
|
T
|
F
|
T
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F
|
F
|
T
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F
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F
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T
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F
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