fact: Definition isomorphic_first_isomorphism_inj : A ≅ B && in_image_hom f := BuildIsomorphic hom_first_isomorphism_inj.
imports: HSet Colimits.Quotient Modalities.ReflectiveSubuniverse Classes.interfaces.canonical_names Classes.theory.ua_isomorphic Classes.theory.ua_subalgebra Classes.theory.ua_quotient_algebra