Local Open Scope logic.
Require Export mc_reify.reify.
Require Export MirrorCore.RTac.Repeat.
Require Export MirrorCore.RTac.Try.
Require Export MirrorCore.RTac.First.
Require Export mc_reify.funcs.
Require Export mc_reify.reflexivity_tacs.

Lemma msubst_efield_denote_nil: forall T1 T2, msubst_efield_denote T1 T2 nil = Some nil.