كسارة ماتشو آر كازا موروك
m 3 1y 3 3 y bi trongmarble آلة Zero morphism Wikipedia Definitions Suppose C is a category and f X → Y is a morphism in morphism f is called a constant morphism or sometimes left zero morphism if for any object W in C and any g h W → X fg = f is called a coconstant morphism or sometimes right zero morphism if for any object Z in C and any g h Y →