Definition juicyRestrict {phi:rmap}{m:Mem.mem}(coh:access_cohere' m phi): Mem.mem:=
      restrPermMap (juice2Perm_cohere coh).Definition juicyRestrict_locks {phi:rmap}{m:Mem.mem}(coh:max_access_cohere m phi): Mem.mem:=
      restrPermMap (juice2Perm_locks_cohere coh).

Lemma juicyRestrictMax: forall phi m (coh:access_cohere' m phi), forall loc, max_access_at m loc = max_access_at (juicyRestrict coh) loc.