UGC NET Questions (Paper – 1)

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U6 – Logical Reasoning and Indian Logic
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Concepts: argument validity test number of assignments tautology rows truth table method ugc net symbolic logic

Q: Which of the following statements about using truth tables in logical reasoning are correct?

(A) Truth tables systematically display all possible truth-value combinations for component statements;
(B) They can be used to test whether a given argument form is valid by checking for rows with true premises and false conclusion;
(C) A statement is a tautology if all entries in its truth table column are true;
(D) For an argument with three distinct propositional variables, a complete truth table will have eight rows;
(E) In UGC NET questions, truth tables are often used implicitly in reasoning even if not drawn explicitly in the exam booklet;
Choose the correct answer from the options given below:

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