different between cognit vs counit

English

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

cognit (plural cognits)

co- +? unit

counit (plural counits)

(mathematics) In an adjunction, a natural transformation from the composition of the left adjoint functor with the right adjoint functor to the identity functor of the domain of the right adjoint functor.

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