Negation
OPERATION THAT TAKES A PROPOSITION P TO ANOTHER PROPOSITION "NOT P", WRITTEN ¬P, WHICH IS INTERPRETED INTUITIVELY AS BEING TRUE WHEN P IS FALSE, AND FALSE WHEN P IS TRUE; UNARY (SINGLE-ARGUMENT) LOGICAL CONNECTIVE
Logical not; Not (logic); ¬; Not sign; Negate; Logical NOT; ⌐; Negation sign; Logical negation; Negated; ¬; Logical Complement; Logical complement; Not operator; Logical Negation; ⌙; !vote; Logical opposite; Negation (mathematics); U+00AC; Negation (logic); Quantifier negation; Negation (logics); Negation elimination; ¬
In logic, negation, also called the logical complement, is an operation that takes a proposition P to another proposition "not P", written \neg P, \mathord{\sim} P or \overline{P}. It is interpreted intuitively as being true when P is false, and false when P is true.