proposition: Lemma bindings_2 m x e : InA eq_key_elt (x,e) (bindings m) -> MapsTo x e m.
proof: Proof. apply bindings_spec1. Qed.
imports: Coq(Bool Equalities Orders OrdersFacts OrdersLists) Coq(Morphisms Permutation SetoidPermutation) MMaps(Utils Comparisons Interface)