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A tautology is a statement that is
Aalways false (typical)
Balways true regardless of truth values of its components
Ctrue only sometimes
Dundefined
Answer & Solution
Correct answer: B. always true regardless of truth values of its components
1. A compound statement whose truth table column contains only T is called a tautology.
2. Example: p ∨ ~p is a tautology.
3. Hence it is always true regardless of component values.
_Source: Maharashtra Balbharati Std XII Mathematics Part 1, Ch 1 "Mathematical Logic" §1.6_
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