X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fdynamic%2Flsubsv_lsstas.ma;h=ec2ae57bc94c5af752012601632d16325e72b17f;hb=f282b35b958c9602fb1f47e5677b5805a046ac76;hp=f975e0fbd0ad646c1df7fb7d809e8cbb08243b1f;hpb=cb5ca7ea4e826e9331eabeaea44353caab00071e;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/dynamic/lsubsv_lsstas.ma b/matita/matita/contribs/lambdadelta/basic_2/dynamic/lsubsv_lsstas.ma
index f975e0fbd..ec2ae57bc 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/dynamic/lsubsv_lsstas.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/dynamic/lsubsv_lsstas.ma
@@ -24,7 +24,7 @@ include "basic_2/dynamic/lsubsv_lsubd.ma".
 
 lemma lsubsv_lsstas_trans: ∀h,g,G,L2,T,U2,l1. ⦃G, L2⦄ ⊢ T •*[h, g, l1] U2 →
                            ∀l2. l1 ≤ l2 → ⦃G, L2⦄ ⊢ T ▪[h, g] l2 →
-                           ∀L1. G ⊢ L1 ¡⊑[h, g] L2 →
+                           ∀L1. G ⊢ L1 ¡⫃[h, g] L2 →
                            ∃∃U1. ⦃G, L1⦄ ⊢ T •*[h, g, l1] U1 & ⦃G, L1⦄ ⊢ U1 ⬌* U2.
 #h #g #G #L2 #T #U #l1 #H @(lsstas_ind_alt … H) -G -L2 -T -U -l1
 [1,2: /2 width=3 by lstar_O, ex2_intro/
@@ -81,7 +81,7 @@ qed-.
 
 lemma lsubsv_ssta_trans: ∀h,g,G,L2,T,U2. ⦃G, L2⦄ ⊢ T •[h, g] U2 →
                          ∀l. ⦃G, L2⦄ ⊢ T ▪[h, g] l+1 →
-                         ∀L1. G ⊢ L1 ¡⊑[h, g] L2 →
+                         ∀L1. G ⊢ L1 ¡⫃[h, g] L2 →
                          ∃∃U1. ⦃G, L1⦄ ⊢ T •[h, g] U1 & ⦃G, L1⦄ ⊢ U1 ⬌* U2.
 #h #g #G #L2 #T #U2 #H #l #HTl #L1 #HL12
 elim ( lsubsv_lsstas_trans … U2 1 … HTl … HL12)