X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fground%2Frelocation%2Fgr_isf_tl.ma;h=5268136d7fe34e1c0a08d0360f9dc146bcac0aae;hb=8bbe582d87984526f40182c4409cbfd43108cb79;hp=da0992aa002c16292db2b9fe20294fc739710a13;hpb=55c768d7e45babb300b5010463ba3196a68f1bbe;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/ground/relocation/gr_isf_tl.ma b/matita/matita/contribs/lambdadelta/ground/relocation/gr_isf_tl.ma
index da0992aa0..5268136d7 100644
--- a/matita/matita/contribs/lambdadelta/ground/relocation/gr_isf_tl.ma
+++ b/matita/matita/contribs/lambdadelta/ground/relocation/gr_isf_tl.ma
@@ -15,20 +15,20 @@
 include "ground/relocation/gr_tl.ma".
 include "ground/relocation/gr_isf.ma".
 
-(* FINITE COLENGTH CONDITION FOR GENERIC RELOCATION MAPS *)
+(* FINITE COLENGTH CONDITION FOR GENERIC RELOCATION MAPS ********************)
 
-(* Properties with tail *****************************************************)
+(* Constructions with gr_tl *************************************************)
 
 (*** isfin_tl *)
-lemma gr_isf_tl (f): 𝐅❪f❫ → 𝐅❪⫱f❫.
+lemma gr_isf_tl (f): 𝐅❪f❫ → 𝐅❪⫰f❫.
 #f elim (gr_map_split_tl f) * #Hf
 /3 width=3 by gr_isf_inv_push, gr_isf_inv_next/
 qed.
 
-(* Inversion lemmas with tail ***********************************************)
+(* Inversions with gr_tl ****************************************************)
 
 (*** isfin_inv_tl *)
-lemma gr_isf_inv_tl (g): 𝐅❪⫱g❫ → 𝐅❪g❫.
+lemma gr_isf_inv_tl (g): 𝐅❪⫰g❫ → 𝐅❪g❫.
 #f elim (gr_map_split_tl f) * #Hf
 /2 width=1 by gr_isf_next, gr_isf_push/
 qed-.