update in static_2 and basic_2

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

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 cca5dac392d1d1225e54b7240bde93b06e6971b5..910c7abe1054e4184ec9ae7952dba1536aeab902 100644 (file)
--- 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 ]