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