Negation

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Revision as of 14:27, 20 October 2025 by Bfh-sts (talk | contribs) (Created page with "= Negation = Negation is the logical operation that inverts the truth value of a proposition. If a proposition ''p'' is true, then its negation ''¬p'' is false, and vice versa. == Symbols == * ¬p (standard notation) * ~p (alternative notation) * NOT p (common in programming) == Definition == Negation produces the opposite truth value of its operand. == Truth Table == {| class="wikitable" ! p !! ¬p |- | T || F |- | F || T |} == Examples == * If ''p'' = "It is ra...")

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Negation

Negation is the logical operation that inverts the truth value of a proposition. If a proposition p is true, then its negation ¬p is false, and vice versa.

Symbols

¬p (standard notation)
~p (alternative notation)
NOT p (common in programming)

Definition

Negation produces the opposite truth value of its operand.

Truth Table

p	¬p
T	F
F	T

Examples

If p = "It is raining", then ¬p = "It is not raining".
In Python: not p
In Java: !p

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