X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;ds=inline;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fdynamic%2Fypr.ma;h=9135495f81dcf4b5aec39fc650410d11f35c7310;hb=cdfd45ca5a2b52601b7bde732a7811de55a52fed;hp=065e8c83ef384a4489c75d6c24334900a630c4bc;hpb=8ff4315142253a1a0478b67c07dddf70c36f50cd;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/dynamic/ypr.ma b/matita/matita/contribs/lambdadelta/basic_2/dynamic/ypr.ma
index 065e8c83e..9135495f8 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/dynamic/ypr.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/dynamic/ypr.ma
@@ -22,7 +22,7 @@ inductive ypr (h) (g) (L1) (T1): relation2 lenv term ≝
 | ypr_ltpr  : ∀L2. L1 ➡ L2 → ypr h g L1 T1 L2 T1
 | ypr_cpr   : ∀T2. L1 ⊢ T1 ➡ T2 → ypr h g L1 T1 L1 T2
 | ypr_ssta  : ∀T2,l. ⦃h, L1⦄ ⊢ T1 •[g] ⦃l+1, T2⦄ → ypr h g L1 T1 L1 T2
-| ypr_lsubsv: ∀L2. h ⊢ L2 ⊩:⊑[g] L1 → ypr h g L1 T1 L2 T1
+| ypr_lsubsv: ∀L2. h ⊢ L2 ¡⊑[g] L1 → ypr h g L1 T1 L2 T1
 .
 
 interpretation