A) \[\tilde{\ }P\wedge \tilde{\ }q\]
B) \[P\wedge \tilde{\ }q\]
C) \[\tilde{\ }P\wedge \tilde{\ }q\]
D) \[P\wedge q\]
Correct Answer: A
Solution :
| p | q | \[\tilde{\ }P\] | \[\tilde{\ }q\] | \[\tilde{\ }P\to q\] | \[\tilde{\ }(\tilde{\ }P\to q)\] | \[(\tilde{\ }P\wedge \tilde{\ }q)\] |
| T | T | F | F | T | F | F |
| F | T | T | F | T | F | F |
| T | F | F | T | T | F | F |
| F | F | T | T | F | T | T |
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