(* Compatibility *)
Notation sym_JMeq := JMeq_sym (only parsing).Notation trans_JMeq := JMeq_trans (only parsing).

Lemma eq_rect_r_JMeq: forall (A:Type) (x y: A) (F: A -> Type) (v: F x) (H: y = x), JMeq (eq_rect_r F v H) v.