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← JEE Main 2021 · 24 Feb · Shift 1
MathematicsSingle correct+4 / -1Question 80 of 90

JEE Main 2021 · 24 Feb · Shift 1, Mathematics question 80

The statement among the following that is a tautology is :

Choose one option
Answer and worked solution

Official answer: C

Modus ponens. [A∧(A→B)]→B[A\wedge(A\to B)]\to B is true in every row of the truth table.

(C)

Topics:Mathematical reasoning
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