X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_transition%2Fcpr_tdeq.ma;fp=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_transition%2Fcpr_tdeq.ma;h=910c7abe1054e4184ec9ae7952dba1536aeab902;hb=0fea4ed429678c3293027cfe76fdbe15cfa331cb;hp=cca5dac392d1d1225e54b7240bde93b06e6971b5;hpb=bac74b5cff042d37e1abc9c961a6c41094b8a294;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpr_tdeq.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpr_tdeq.ma
index cca5dac39..910c7abe1 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpr_tdeq.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpr_tdeq.ma
@@ -19,8 +19,8 @@ include "basic_2/rt_transition/cpr_drops_basic.ma".
 
 (* Properties with context-free sort-irrelevant equivalence *****************)
 
-lemma cpr_abbr_pos (h) (G) (L) (V) (T1):
-                   ∃∃T2. ⦃G,L⦄ ⊢ +ⓓV.T1 ➡[h] T2 & (+ⓓV.T1 ≛ T2 → ⊥).
+lemma cpr_abbr_pos_tdneq (h) (G) (L) (V) (T1):
+      ∃∃T2. ⦃G,L⦄ ⊢ +ⓓV.T1 ➡[h] T2 & (+ⓓV.T1 ≛ T2 → ⊥).
 #h #G #L #V #U1
 elim (cpr_subst h G (L.ⓓV) U1 … 0) [|*: /2 width=4 by drops_refl/ ] #U2 #T2 #HU12 #HTU2
 elim (tdeq_dec U1 U2) [ -HU12 #HU12 | -HTU2 #HnU12 ]