UGC NET Questions (Paper – 1)

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U6 – Logical Reasoning and Indian Logic
Practice
Concepts: biconditional equivalence conditional truth table everyday vs formal meaning if and only if ugc net symbolic logic

Q: Which of the following statements about the meanings of conditional and biconditional statements are correct?

(A) The conditional “If p then q” is false only when p is true and q is false;
(B) The biconditional “p if and only if q” is true when p and q have the same truth value;
(C) “If and only if” expresses a relation of logical equivalence between two statements;
(D) In reasoning passages, “if” and “only if” always function as perfect logical symbols and never have looser everyday meanings;
(E) In UGC NET symbolic logic items, carefully distinguishing “if”, “only if” and “if and only if” is important for correct translation;
Choose the correct answer from the options given below:

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