question_answer

Which of the following is logically equivalent to  \[\tilde{\ }(\tilde{\ }p\Rightarrow q)?\]

A) \[p\wedge q\]     

B) \[p\wedge \tilde{\ }q\]

C) \[\tilde{\ }p\wedge q\]     

D) \[\tilde{\ }p\wedge \tilde{\ }q\]

Correct Answer: D

Solution :

[d] It is clear from table that \['\sim '\]\[(\sim p\Rightarrow q)\] is equivalent to \[\sim p\wedge \sim q.\]