Exercise · ZW-NEGATION-007 · ★★☆ Intermediate
Double negation satisfies...
Choose one option.
Show answer
- C. ¬¬P ≡ P
Explanation
Negating twice restores the original value, so \(\neg\neg P\equiv P\).
Review the concept: Negation
Given a proposition \(P\), its negation is the proposition \(\neg P\).
\[\neg P\]
More practice problems: negation
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- ZW-NEGATION-004 Which symbol represents negation?
- ZW-NEGATION-005 Double negation ¬¬P is logically equivalent to...
- ZW-NEGATION-006 If P is a proposition, what is ¬P?
- ZW-NEGATION-008 If ¬P is true, then P is...
- ZW-NEGATION-009 P and ¬P always have truth values that are...