- predefined_virtuals: some additions

[helm.git] / matita / matita / contribs / lambda_delta / basic_2 / computation / cprs_tstc.ma

diff --git a/matita/matita/contribs/lambda_delta/basic_2/computation/cprs_tstc.ma b/matita/matita/contribs/lambda_delta/basic_2/computation/cprs_tstc.ma
index 59668d4d13aaae036a7abeca498bdb980ab5ccf7..eb59c5f84a44f4e11dbd6b059edb13e54cd485ae 100644 (file)
--- a/matita/matita/contribs/lambda_delta/basic_2/computation/cprs_tstc.ma
+++ b/matita/matita/contribs/lambda_delta/basic_2/computation/cprs_tstc.ma
@@ -84,8 +84,8 @@ elim (cprs_inv_appl1 … H) -H *
 ]
 qed-.
 
-lemma cprs_fwd_tau: â\88\80L,W,T,U. L â\8a¢ â\93£W. T ➡* U →
-                    â\93£W. T ≃ U ∨ L ⊢ T ➡* U.
+lemma cprs_fwd_tau: â\88\80L,W,T,U. L â\8a¢ â\93\9dW. T ➡* U →
+                    â\93\9dW. T ≃ U ∨ L ⊢ T ➡* U.
 #L #W #T #U #H
 elim (cprs_inv_cast1 … H) -H /2 width=1/ *
 #W0 #T0 #_ #_ #H destruct /2 width=1/