Module fc_subst (wf : fc_wf_sig) (weak : fc_weak_sig) <: fc_subst_sig.
Export wf.
Export weak.
Set Bullet Behavior "Strict Subproofs".
Set Implicit Arguments.
(* --------------------------------------- *)

Lemma binds_to_AnnPropWff: forall G0 a b A c,
AnnCtx G0 -> binds c (Co (Eq a b A)) G0 -> AnnPropWff G0 (Eq a b A).