fact: Definition def_second_isomorphism (s : Sort σ) : ((A&&P) / Ψ) s → ((A/Φ) && Q) s := Quotient_rec (Ψ s) _ (λ (x : (A&&P) s), (class_of (Φ s) (i s x); tr (x; EquivRel_Reflexive x))) (λ (x y : (A&&P) s) (T : Ψ s x y), path_sigma_hprop (class_of (Φ s) (i s x); _) (class_of (Φ s) (i s y); _) (@qglue _ (Φ s) _ _ T)).
imports: HSet Colimits.Quotient Classes.interfaces.canonical_names Classes.theory.ua_isomorphic Classes.theory.ua_subalgebra Classes.theory.ua_quotient_algebra