proposition: Theorem limit_unicity `{Funext} {G : Graph} {D : Diagram G} {Q1 Q2 : Type} (HQ1 : IsLimit D Q1) (HQ2 : IsLimit D Q2) : Q1 <~> Q2.
proof: Proof. srapply equiv_functor_limit. srapply (Build_diagram_equiv (diagram_idmap D)). Defined.
imports: Basics Diagrams.Diagram Diagrams.Graph Diagrams.Cone Diagrams.ConstantDiagram