NAND

<logic>

Not AND. The Boolean function which is true unless both its arguments are true, the logical complement of AND:

A NAND B = NOT (A AND B) = (NOT A) OR (NOT B)

Its truth table is:

	A | B | A NAND B
	--+---+---------
	F | F |    T
	F | T |	   T
	T | F |    T
	T | T |    F

NAND, like NOR, forms a complete set of Boolean functions on its own since it can be used to make NOT, AND, OR and any other Boolean function:

NOT A = A NAND A

A AND B = NOT (A NAND B)

A OR B = (NOT A) NAND (NOT B)

Last updated: 1995-01-24

Nearby terms:

namespacenaming conventionNaNNANDnano-nanoacrenanobot

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