nLab Understanding colimits in Set

Under Construction

See Understanding constructions in Set?

Colimits

colimits

Initial Object

The empty set $\emptyset$ is the initial object in Set.

Why?

Binary Coproducts

binary coproducts

Arbitray Small Coproducts

arbitrary (but small) coproducts

coequalisers

pushouts

Cofibred Products

cofibred coproducts

Last revised on October 9, 2010 at 14:56:37. See the history of this page for a list of all contributions to it.