The only statement among the following that is a tautology is. - Vidyadip

MCQ

The only statement among the following that is a tautology is.

A
$A ∧ (A ∨ B)$
B
$A ∨ (A ∧ B)$
✓
$[A ∧ (A \rightarrow B)] \rightarrow B$
D
$B \rightarrow [A ∧ (A \rightarrow B)]$

✓

Answer

Correct option: C.

$[A ∧ (A \rightarrow B)] \rightarrow B$

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