(*Require Import VST.concurrency.cl_step_lemmas.*)
Set Bullet Behavior "Strict Subproofs".
(** Lemmas common to both parts of the progress/preservation simulation results *)

Lemma env_coherence_age_to Z Jspec ge G phi n :
@env_coherence Z Jspec ge G phi ->
@env_coherence Z Jspec ge G (age_to n phi).