Section (category theory)

In category theory, a branch of mathematics, a section is a right inverse of some morphism. Dually, a retraction is a left inverse of some morphism.

Source: Wikipedia — Section (category theory) (CC BY-SA 4.0)

Section (category theory)

In category theory, a branch of mathematics, a section is a right inverse of some morphism. Dually, a retraction is a left inverse of some morphism.

Source: Wikipedia "Section (category theory)" · CC BY-SA 4.0

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