fact: Definition Plug_id {Γ τ} {x : Exp Γ τ} : Plug x (C_Nil Γ) x := Plug_Hole _.
imports: Coq.Lists.List Category.Lib Category.Instance.Lambda.Ltac Category.Instance.Lambda.Ty Category.Instance.Lambda.Exp Category.Instance.Lambda.Value Category.Instance.Lambda.Sub Equations(Equations)