Search Results for: Assembling electronics objects machine
(november ) ( learn how and when to remove this template message ) schematic representation of a category with objects x, y, z and morphisms f, g, g ∘ f.
identity morphisms x, y and z, if explicitly represented, would appear as three arrows, from the letters x, y, and z to themselves, respectively.) category theory [ ] formalizes mathematical structure and its concepts in terms of a labeled directed graph called a category , whose nodes are called objects...
https://en.wikipedia.org/wiki/Category_theory