Miscellaneous Facts about Functors
نویسنده
چکیده
(3) Let A, B be transitive non empty category structures with units, F be a precontravariant feasible functor structure from A to B, and G be a precontravariant feasible functor structure from B to A. Suppose F is bijective and G = F−1. Let a1, a2 be objects of A. Suppose 〈a1,a2〉 6= / 0. Let f be a morphism from a1 to a2 and g be a morphism from F(a2) to F(a1). Then F( f ) = g if and only if G(g) = f .
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تاریخ انتشار 2001