X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fstatic_2%2Fs_computation%2Ffqus_weight.ma;fp=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fstatic_2%2Fs_computation%2Ffqus_weight.ma;h=0ee9b2372b2f4aead2188b9c955452fdc5af0aa2;hb=8ec019202bff90959cf1a7158b309e7f83fa222e;hp=b76988981d1af850e157414452b407d6a976cee9;hpb=33d0a7a9029859be79b25b5a495e0f30dab11f37;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/static_2/s_computation/fqus_weight.ma b/matita/matita/contribs/lambdadelta/static_2/s_computation/fqus_weight.ma
index b76988981..0ee9b2372 100644
--- a/matita/matita/contribs/lambdadelta/static_2/s_computation/fqus_weight.ma
+++ b/matita/matita/contribs/lambdadelta/static_2/s_computation/fqus_weight.ma
@@ -19,7 +19,7 @@ include "static_2/s_computation/fqus.ma".
 
 (* Forward lemmas with weight for closures **********************************)
 
-lemma fqus_fwd_fw: ∀b,G1,G2,L1,L2,T1,T2. ❪G1,L1,T1❫ ⬂*[b] ❪G2,L2,T2❫ →
+lemma fqus_fwd_fw: ∀b,G1,G2,L1,L2,T1,T2. ❨G1,L1,T1❩ ⬂*[b] ❨G2,L2,T2❩ →
                    ♯❨G2,L2,T2❩ ≤ ♯❨G1,L1,T1❩.
 #b #G1 #G2 #L1 #L2 #T1 #T2 #H @(fqus_ind … H) -L2 -T2
 /3 width=3 by fquq_fwd_fw, nle_trans/
@@ -27,7 +27,7 @@ qed-.
 
 (* Advanced inversion lemmas ************************************************)
 
-lemma fqus_inv_refl_atom3: ∀b,I,G,L,X. ❪G,L,⓪[I]❫ ⬂*[b] ❪G,L,X❫ → ⓪[I] = X.
+lemma fqus_inv_refl_atom3: ∀b,I,G,L,X. ❨G,L,⓪[I]❩ ⬂*[b] ❨G,L,X❩ → ⓪[I] = X.
 #b #I #G #L #X #H elim (fqus_inv_fqu_sn … H) -H * //
 #G0 #L0 #T0 #H1 #H2 lapply (fqu_fwd_fw … H1) lapply (fqus_fwd_fw … H2) -H2 -H1
 #H2 #H1 lapply (nle_nlt_trans … H2 H1) -G0 -L0 -T0