X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fstatic%2Flsubd_da.ma;h=2ccf11bad47a0f0fc87d15c502c1d13509170e6c;hb=7e06d9d148ae04a21943377debd933a742d0c2fa;hp=935cd62522fb236a62678c69ad42d122e77faa53;hpb=3167db4903eea2eddc60a91cfd922be3672ce077;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/static/lsubd_da.ma b/matita/matita/contribs/lambdadelta/basic_2/static/lsubd_da.ma
index 935cd6252..2ccf11bad 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/static/lsubd_da.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/static/lsubd_da.ma
@@ -20,7 +20,7 @@ include "basic_2/static/lsubd.ma".
 (* Properties on degree assignment ******************************************)
 
 lemma lsubd_da_trans: ∀h,g,G,L2,T,l. ⦃G, L2⦄ ⊢ T ▪[h, g] l →
-                      ∀L1. G ⊢ L1 ▪⫃[h, g] L2 → ⦃G, L1⦄ ⊢ T ▪[h, g] l.
+                      ∀L1. G ⊢ L1 ⫃▪[h, g] L2 → ⦃G, L1⦄ ⊢ T ▪[h, g] l.
 #h #g #G #L2 #T #l #H elim H -G -L2 -T -l
 [ /2 width=1/
 | #G #L2 #K2 #V #i #l #HLK2 #_ #IHV #L1 #HL12
@@ -42,7 +42,7 @@ lemma lsubd_da_trans: ∀h,g,G,L2,T,l. ⦃G, L2⦄ ⊢ T ▪[h, g] l →
 qed-.
 
 lemma lsubd_da_conf: ∀h,g,G,L1,T,l. ⦃G, L1⦄ ⊢ T ▪[h, g] l →
-                     ∀L2. G ⊢ L1 ▪⫃[h, g] L2 → ⦃G, L2⦄ ⊢ T ▪[h, g] l.
+                     ∀L2. G ⊢ L1 ⫃▪[h, g] L2 → ⦃G, L2⦄ ⊢ T ▪[h, g] l.
 #h #g #G #L1 #T #l #H elim H -G -L1 -T -l
 [ /2 width=1/
 | #G #L1 #K1 #V #i #l #HLK1 #HV #IHV #L2 #HL12