logical complement

<logic> In Boolean algebra, the logical complement or negation of a Boolean value is the opposite value, given by the following truth table:

	A | -A
	--+---
	T | F
	F | T

-A is also written as A with a bar over it or with a small vertical line hanging from the right-hand end of the "-" (LaTeX \neg) or as A'. In the C programming language, it is !A and in digital circuit design, /A.

Last updated: 1995-01-24

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Nearby terms: logical « logical address « Logical Block Addressing « logical complement » Logical Interchange Format » Logical Link Control » Logical Link Control and Adaptation Protocol


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Copyright Denis Howe 1985

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