bug fix in the context reduction rule for cast (cpm)

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / rt_transition / cpg_lsubr.ma

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpg_lsubr.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpg_lsubr.ma
index 90f846e5a12447a486797812471a69a80ed77236..8dcc523e400af3d027ae22b5662bb5c1b21d6f4b 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpg_lsubr.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpg_lsubr.ma
@@ -19,8 +19,8 @@ include "basic_2/rt_transition/cpg.ma".
 
 (* Properties with restricted refinement for local environments *************)
 
-lemma lsubr_cpg_trans: ∀c,h,G. lsub_trans … (cpg h c G) lsubr.
-#c #h #G #L1 #T1 #T2 #H elim H -c -G -L1 -T1 -T2
+lemma lsubr_cpg_trans: ∀Rt,c,h,G. lsub_trans … (cpg Rt h c G) lsubr.
+#Rt #c #h #G #L1 #T1 #T2 #H elim H -c -G -L1 -T1 -T2
 [ //
 | /2 width=2 by cpg_ess/
 | #c #G #L1 #V1 #V2 #W2 #_ #HVW2 #IH #X #H
@@ -32,8 +32,8 @@ lemma lsubr_cpg_trans: ∀c,h,G. lsub_trans … (cpg h c G) lsubr.
 | #c #I1 #G #L1 #V1 #T1 #U1 #i #_ #HTU1 #IH #X #H
   elim (lsubr_fwd_pair2 … H) -H #I2 #L2 #V2 #HL21 #H destruct
   /3 width=3 by cpg_lref/
-|6,11: /4 width=1 by cpg_bind, cpg_beta, lsubr_pair/
-|7,9,10: /3 width=1 by cpg_flat, cpg_eps, cpg_ee/
-|8,12: /4 width=3 by cpg_zeta, cpg_theta, lsubr_pair/
+|6,12: /4 width=1 by cpg_bind, cpg_beta, lsubr_pair/
+|7,8,10,11: /3 width=1 by cpg_appl, cpg_cast, cpg_eps, cpg_ee/
+|9,13: /4 width=3 by cpg_zeta, cpg_theta, lsubr_pair/
 ]
 qed-.