Example. full, faithful, preserve and reflect [kostecki2011introduction, 3.3] [tt-0019]
Example. full, faithful, preserve and reflect [kostecki2011introduction, 3.3] [tt-0019]
Every inclusion functor is faithful.
Every functor preserves isomorphisms.
Every faithful functor reflects monomorphisms and epimorphisms.
Every full and faithful functor reflects isomorphisms.