Search results

...topology. (Indeed, when you say '2+2=4" you probably do not specify, which binary operation is denoted by '+' this time!)

Addition is a binary operation <math>\;+\;</math> in <math>\mathbb N</math> Multiplication is a binary operation <math>\;\cdot\;</math> in <math>\mathbb N</math>

...}</math>. This means that even though addition is strictly defined as a [[binary operation]], the object <math>\vec{u}+\vec{v}+\vec{w}</math> is well defined.

Like the natural numbers, '''Z''' is closed below the [[binary operation|operations]] of [[addition]] and [[multiplication]], that is, the sum and p

Informally, the right fold applies to a binary operation (say, "+"), a list (say, "[''x'',''y'',''z'']") and an initial value (say,

...ing can only represent one element (obviously true given the definition of binary operation) or perhaps that a given subset can only represent one element regardless o

...ategories in which all morphisms are isomorphisms) {For sets with a single binary operation, see 20N02; for topological groupoids, see 22A22, 58H05}