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Substantiivi

1. (mathematics, category theory, of a morphism f: X→ Y in a category with zero morphisms) The coequalizer of ${\displaystyle f}$ and the zero morphism from ${\displaystyle X}$ to ${\displaystyle Y}$, denoted ${\displaystyle \operatorname {coker} f}$.
2. (mathematics, category theory) The target of ${\displaystyle \operatorname {coker} f}$, denoted ${\displaystyle \operatorname {Coker} f}$.