Exercise · ZW-TAUTOLOGY-009 · ★★★ Advanced
Select the tautology.
Choose one option.
Show answer
- C. P⇒P
Explanation
\(P\Rightarrow P\) is true in both cases: if \(P\) is T the consequent is also T, and if \(P\) is F the antecedent is false.
Review the concept: Tautology
A compound proposition \(P\) is a tautology if it is true under every assignment of its components.
\[P\lor\neg P\equiv\top\]
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