出典:Wiktionary
出典:Wikipedia
出典:『Wikipedia』 (2011/07/19 13:01 UTC 版)
In mathematics, a (finitary) Boolean function (or switching function) is a function of the form ƒ : Bk → B, where B = {0, 1} is a Boolean domain and k is a non-negative integer called the arity of the function. In the case where k = 0, the "function" is essentially a constant element of B.