fact: Definition abses_cokernel_iso_inv_beta `{Funext} {A E B : AbGroup} (f : A $-> E) (g : GroupHomomorphism E B) `{IsSurjection g, IsExact (Tr (-1)) _ _ _ f g} : (abses_cokernel_iso f g)^-1 o g == grp_quotient_map.
imports: Basics Types Truncations.Core HSet WildCat Groups.QuotientGroup Groups.ShortExactSequence AbelianGroup AbGroups.Biproduct AbHom Homotopy.ExactSequence Pointed Modalities.ReflectiveSubuniverse