Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Engineering Mathematics Set Theory & Algebra Boolean Algebra
If the Boolean expression (p ⇒ q) ⇔ (q ∗ ( ~p)) is a tautology, then the Boolean expression p ∗ (~q) is equivalent to :
1
p ⇒ q
2
p ⇒ ~q
3
q ⇒ p
4
~q ⇒ p