Abstrakt
It is shown that it is consistent with the set theory that any left exact functor is a small colimit of representables. In contrast there exists a functor from A(1,1)preserving all finite products that it si not small.
It is shown that it is consistent with the set theory that any left exact functor is a small colimit of representables. In contrast there exists a functor from A(1,1)preserving all finite products that it si not small.