Abelian 2-group (source code)

= Abelian 2-group
{wiki=Abelian_2-group}

An **Abelian 2-group** is a specific type of group in the field of abstract algebra. Let’s break down the main characteristics: 1. **Group**: A set equipped with a binary operation that satisfies four fundamental properties: closure, associativity, the existence of an identity element, and the existence of inverses.