X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fstatic_2%2Frelocation%2Fsex_length.ma;h=4f2157be259f28e85d6335de9cd5f66bb7b72741;hb=bd53c4e895203eb049e75434f638f26b5a161a2b;hp=a7b2a5d718fa202536f3f310be29c660496e23fb;hpb=ff612dc35167ec0c145864c9aa8ae5e1ebe20a48;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/static_2/relocation/sex_length.ma b/matita/matita/contribs/lambdadelta/static_2/relocation/sex_length.ma
index a7b2a5d71..4f2157be2 100644
--- a/matita/matita/contribs/lambdadelta/static_2/relocation/sex_length.ma
+++ b/matita/matita/contribs/lambdadelta/static_2/relocation/sex_length.ma
@@ -20,13 +20,13 @@ include "static_2/relocation/sex.ma".
 (* Forward lemmas with length for local environments ************************)
 
 (* Note: "#f #I1 #I2 #L1 #L2 >length_bind >length_bind //" was needed to conclude *)
-lemma sex_fwd_length: ∀RN,RP,f,L1,L2. L1 ⪤[RN, RP, f] L2 → |L1| = |L2|.
+lemma sex_fwd_length: ∀RN,RP,f,L1,L2. L1 ⪤[RN,RP,f] L2 → |L1| = |L2|.
 #RN #RP #f #L1 #L2 #H elim H -f -L1 -L2 //
 qed-.
 
 (* Properties with length for local environments ****************************)
 
-lemma sex_length_cfull: ∀L1,L2. |L1| = |L2| → ∀f. L1 ⪤[cfull, cfull, f] L2.
+lemma sex_length_cfull: ∀L1,L2. |L1| = |L2| → ∀f. L1 ⪤[cfull,cfull,f] L2.
 #L1 elim L1 -L1
 [ #Y2 #H >(length_inv_zero_sn … H) -Y2 //
 | #L1 #I1 #IH #Y2 #H #f
@@ -36,7 +36,7 @@ lemma sex_length_cfull: ∀L1,L2. |L1| = |L2| → ∀f. L1 ⪤[cfull, cfull, f]
 qed.
 
 lemma sex_length_isid: ∀R,L1,L2. |L1| = |L2| →
-                       ∀f. 𝐈⦃f⦄ → L1 ⪤[R, cfull, f] L2.
+                       ∀f. 𝐈❪f❫ → L1 ⪤[R,cfull,f] L2.
 #R #L1 elim L1 -L1
 [ #Y2 #H >(length_inv_zero_sn … H) -Y2 //
 | #L1 #I1 #IH #Y2 #H #f #Hf