1 (**************************************************************************)
4 (* ||A|| A project by Andrea Asperti *)
6 (* ||I|| Developers: *)
7 (* ||T|| The HELM team. *)
8 (* ||A|| http://helm.cs.unibo.it *)
10 (* \ / This file is distributed under the terms of the *)
11 (* v GNU General Public License Version 2 *)
13 (**************************************************************************)
15 include "basic_2/rt_computation/cpms_lsubr.ma".
16 include "basic_2/rt_equivalence/cpcs_cprs.ma".
18 (* CONTEXT-SENSITIVE PARALLEL R-EQUIVALENCE FOR TERMS ***********************)
20 (* Properties with restricted refinement for local environments *************)
22 lemma lsubr_cpcs_trans (h) (G): lsub_trans … (cpcs h G) lsubr.
23 #h #G #L1 #T1 #T2 #HT12 elim (cpcs_inv_cprs … HT12) -HT12
24 /3 width=5 by cprs_div, lsubr_cpms_trans/