X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambda_delta%2Fbasic_2%2Fcomputation%2Fcprs_tstc_vector.ma;h=5a4c2bc3421c5da738b15ec6e51a91379dd72471;hb=fde3b3d2e6cc48f6c9880136b1a0d565e2c78c1f;hp=a7f9b33cdaf39d761e0dd0c8e32818b8421f7c0d;hpb=5ac2dc4e01aca542ddd13c02b304c646d8df9799;p=helm.git

diff --git a/matita/matita/contribs/lambda_delta/basic_2/computation/cprs_tstc_vector.ma b/matita/matita/contribs/lambda_delta/basic_2/computation/cprs_tstc_vector.ma
index a7f9b33cd..5a4c2bc34 100644
--- a/matita/matita/contribs/lambda_delta/basic_2/computation/cprs_tstc_vector.ma
+++ b/matita/matita/contribs/lambda_delta/basic_2/computation/cprs_tstc_vector.ma
@@ -134,8 +134,8 @@ elim (cprs_inv_appl1 … H) -H *
 qed-.
 
 (* Basic_1: was: pr3_iso_appls_cast *)
-lemma cprs_fwd_tau_vector: ∀L,Vs,W,T,U. L ⊢ ⒶVs. ⓣW. T ➡* U →
-                           ⒶVs. ⓣW. T ≃ U ∨ L ⊢ ⒶVs. T ➡* U.
+lemma cprs_fwd_tau_vector: ∀L,Vs,W,T,U. L ⊢ ⒶVs. ⓝW. T ➡* U →
+                           ⒶVs. ⓝW. T ≃ U ∨ L ⊢ ⒶVs. T ➡* U.
 #L #Vs elim Vs -Vs /2 width=1 by cprs_fwd_tau/
 #V #Vs #IHVs #W #T #U #H
 elim (cprs_inv_appl1 … H) -H *