fact: Definition Coeq_sym_map {B A} (f g : B -> A) : Coeq f g -> Coeq g f := Coeq_rec (Coeq g f) coeq (fun b : B => (cglue b)^).
imports: Basics Types.Paths Types.Arrow Types.Sigma Types.Forall Types.Universe Types.Prod Cubical.DPath Colimits.GraphQuotient