update in basic_2 and apps_2

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

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpr_teqx.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpr_teqx.ma
index be549cdaebd9294bbedc3c50b21985f9bcd2a6cf..6c05df3d38e2e73b26815b666ad0d5d6bb625863 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpr_teqx.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpr_teqx.ma
@@ -20,7 +20,7 @@ include "basic_2/rt_transition/cpr_drops_basic.ma".
 (* Properties with context-free sort-irrelevant equivalence *****************)
 
 lemma cpr_abbr_pos_tneqx (h) (G) (L) (V) (T1):
-      ∃∃T2. ❪G,L❫ ⊢ +ⓓV.T1 ➡[h] T2 & (+ⓓV.T1 ≛ T2 → ⊥).
+      ∃∃T2. ❪G,L❫ ⊢ +ⓓV.T1 ➡[h,0] 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 (teqx_dec U1 U2) [ -HU12 #HU12 | -HTU2 #HnU12 ]