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UGC-NET | UGC NET CS 2015 Dec – III | Question 44

  • Last Updated : 12 Jun, 2018

In Propositional Logic, given P and P → Q, we can infer __________.
(A) ~ Q
(B) Q
(C) P ∧ Q
(D) ~ P ∧ Q

Answer: (B)

Explanation: The rule of inference logic which states that if a conditional statement (‘if p then q’) is accepted, and the antecedent (p) holds (i.e. P and P → Q), then the consequent (q) may be inferred.
For more information on inference logic Refer:Mathematics | Rules of Inference
Option Q is correct.

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