If p and q are two statements then (p → q) ↔ (∼ q → ∼ p) is contradiction tautology Neither (i) not (ii) None of the these

QUESTION

Miscellaneous Exercise 1 | Q 1.11 | Page 30

Choose the correct alternative :

If p and q are two statements then (p → q) ↔ (∼ q → ∼ p) is

• contradiction

• tautology

• Neither (i) not (ii)

• None of the these

SOLUTION

tautology.