X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambda_delta%2FBasic_2%2Freducibility%2Fcpr_ltpss.ma;h=148a29645c81cd5c017aba2fe07406f0c6c4d50f;hb=011cf6478141e69822a5b40933f2444d0522532f;hp=d925d19c5e7033dba3627c94aebf3bd3ef1f4b65;hpb=b5db76fe31ab35bae0257cb6684c511bcc531e45;p=helm.git

diff --git a/matita/matita/contribs/lambda_delta/Basic_2/reducibility/cpr_ltpss.ma b/matita/matita/contribs/lambda_delta/Basic_2/reducibility/cpr_ltpss.ma
index d925d19c5..148a29645 100644
--- a/matita/matita/contribs/lambda_delta/Basic_2/reducibility/cpr_ltpss.ma
+++ b/matita/matita/contribs/lambda_delta/Basic_2/reducibility/cpr_ltpss.ma
@@ -12,35 +12,11 @@
 (*                                                                        *)
 (**************************************************************************)
 
-include "Basic_2/unfold/ltpss_ltpss.ma".
+include "Basic_2/unfold/ltpss_tpss.ma".
 include "Basic_2/reducibility/cpr.ma".
 
 (* CONTEXT-SENSITIVE PARALLEL REDUCTION ON TERMS ****************************)
 
-(* Advanced inversion lemmas ************************************************)
-
-(* Basic_1: was pr2_gen_abbr *)
-lemma cpr_inv_abbr1: ∀L,V1,T1,U2. L ⊢ ⓓV1. T1 ➡ U2 →
-                     (∃∃V2,T2,T. L ⊢ V1 ➡ V2 & L. ⓓV2 ⊢ T1 ➡ T2 &
-                                 L.  ⓓV2 ⊢ T [1, |L|] ▶* T2 &
-                                 U2 = ⓓV2. T
-                      ) ∨
-                      ∃∃T. ⇧[0,1] T ≡ T1 & L ⊢ T ➡ U2.
-#L #V1 #T1 #Y * #X #H1 #H2
-elim (tpr_inv_abbr1 … H1) -H1 *
-[ #V #T0 #T #HV1 #HT10 #HT0 #H destruct
-  elim (tpss_inv_bind1 … H2) -H2 #V2 #T2 #HV2 #HT2 #H destruct
-  lapply (tps_lsubs_conf … HT0 (L. ⓓV) ?) -HT0 /2 width=1/ #HT0
-  elim (ltpss_tps_conf … HT0 (L. ⓓV2) 1 (|L|) ?) -HT0 /2 width=1/ #V0 #HV20 #HV0
-  lapply (tpss_weak_all … HV20) -HV20 #HV20
-  lapply (tpss_lsubs_conf … HV0 (L. ⓓV2) ?) -HV0 /2 width=1/ #HV0
-  elim (tpss_conf_eq … HT2 … HV0) -T #T3 #HT23 #HVT3
-  lapply (tpss_weak_all … HVT3) -HVT3 #HVT3
-  lapply (tpss_trans_eq … HV20 … HVT3) -V0 /4 width=7/
-| /4 width=5/
-]
-qed-.
-
 (* Properties concerning partial unfold on local environments ***************)
 
 lemma ltpss_cpr_trans: ∀L1,L2,d,e. L1 [d, e] ▶* L2 →