Discreate Math logic

Question

 

Comments

$q \rightarrow p \left ( contra positive \right )$ which has same truth value as original statement.

$q \rightarrow p = \sim$ p  V  q

so its 2 and 3.

Answer 1

q→p(contrapositive)q→p(contrapositive) which has same truth value as original statement.

q→p=∼q→p=∼ p  V  q

so its 2 and 3.