X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fground%2Frelocation%2Fgr_isi_tl.ma;h=0246557f3cc06a37f37035bb79d5ada730959a27;hb=dc605ae41c39773f55381f241b1ed3db4acf5edd;hp=4a80d36e42be9a5b6fb173511ab9b026efa77a6f;hpb=55c768d7e45babb300b5010463ba3196a68f1bbe;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/ground/relocation/gr_isi_tl.ma b/matita/matita/contribs/lambdadelta/ground/relocation/gr_isi_tl.ma
index 4a80d36e4..0246557f3 100644
--- a/matita/matita/contribs/lambdadelta/ground/relocation/gr_isi_tl.ma
+++ b/matita/matita/contribs/lambdadelta/ground/relocation/gr_isi_tl.ma
@@ -15,12 +15,12 @@
 include "ground/relocation/gr_tl.ma".
 include "ground/relocation/gr_isi.ma".
 
-(* IDENTITY CONDITION FOR GENERIC RELOCATION MAPS ***********************************************************)
+(* IDENTITY CONDITION FOR GENERIC RELOCATION MAPS ***************************)
 
-(* Properties with tail *****************************************************)
+(* Constructions with gr_tl *************************************************)
 
 (*** isid_tl *)
-lemma gr_isi_tl (f): 𝐈❪f❫ → 𝐈❪⫱f❫.
+lemma gr_isi_tl (f): 𝐈❪f❫ → 𝐈❪⫰f❫.
 #f cases (gr_map_split_tl f) * #H
 [ /2 width=3 by gr_isi_inv_push/
 | elim (gr_isi_inv_next … H) -H //