fact: Definition equiv_isomorphism {σ : Signature} {A B : Algebra σ} (f : ∀ s, A s → B s) `{IsIsomorphism σ A B f} : ∀ (s : Sort σ), A s <~> B s.
imports: HoTT.Classes.interfaces.ua_setalgebra HoTT.Types HoTT.Tactics