consisting+of+two
131Musical ensemble — This article is about musical groups. For the video game series, see Rock Band (game). For other uses, see Music group (disambiguation). The King Carter Jazzing Orchestra photographed in Houston, Texas, January 1921 …
132Structure (mathematical logic) — In universal algebra and in model theory, a structure consists of a set along with a collection of finitary operations and relations which are defined on it. Universal algebra studies structures that generalize the algebraic structures such as… …
