2-group
In mathematics, particularly category theory, a 2-group is a groupoid with a way to multiply objects and morphisms, making it resemble a group. They are part of a larger hierarchy of n-groups.
In mathematics, particularly category theory, a 2-group is a groupoid with a way to multiply objects and morphisms, making it resemble a group. They are part of a larger hierarchy of n-groups.
In mathematics, particularly category theory, a 2-group is a groupoid with a way to multiply objects and morphisms, making it resemble a group. They are part of a larger hierarchy of n-groups.
Source: Wikipedia "2-group" · CC BY-SA 4.0
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