NAND
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)
(1995-01-24)
Nearby terms:
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