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This page belongs to resource collections on Logic and Inquiry.

Logical negation is an operation on one logical value, typically the value of a proposition, that produces a value of true when its operand is false and a value of false when its operand is true.

The truth table of also written appears below:



The negation of a proposition may be found notated in various ways in various contexts of application, often merely for typographical convenience. Among these variants are the following:


bar
tilde
prime
complement
bang


SyllabusEdit

Document historyEdit

Portions of the above article were adapted from the following sources under the GNU Free Documentation License, under other applicable licenses, or by permission of the copyright holders.