二目运算符[Binary Operator] - 达人(其实～我是卧底，来自外星)

2005/07/30 | 二目运算符[Binary Operator]
类别(∑〖数学〗) | 评论(0) | 阅读(68) | 发表于 14:36: An operator defined on a set which takes two elements from as inputs and returns a single element of . Binary operators are called compositions by Rosenfeld (1968). Sets possessing a binary multiplication operation include the group, groupoid, monoid[u/], [u]quasigroup, and semigroup. Sets possessing both a binary multiplication and a binary addition operation include the division algebra, field, ring, ringoid, semiring, and unit ring.; 0