X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fground%2Frelocation%2Ffr2_append.ma;h=c2d7b9ed7d4ad532e173ca037626e5f87ab2b925;hp=184540728ec3cd115f1e05d928de67b53a2db422;hb=2ed8d2abcc3b0687141b627061b63350a0b200bd;hpb=b367de0252e88d6b0476648d5ceac7e4aeffca27

diff --git a/matita/matita/contribs/lambdadelta/ground/relocation/fr2_append.ma b/matita/matita/contribs/lambdadelta/ground/relocation/fr2_append.ma
index 184540728..c2d7b9ed7 100644
--- a/matita/matita/contribs/lambdadelta/ground/relocation/fr2_append.ma
+++ b/matita/matita/contribs/lambdadelta/ground/relocation/fr2_append.ma
@@ -15,7 +15,7 @@
 include "ground/notation/functions/append_2.ma".
 include "ground/relocation/fr2_map.ma".
 
-(* APPEND FOR FINITE RELOCATION MAPS WITH PAIRS *******************************************)
+(* CONCATENATION FOR FINITE RELOCATION MAPS WITH PAIRS **********************)
 
 (* Note: this is compose *)
 (*** fr2_append *)
@@ -28,7 +28,7 @@ interpretation
   "append (finite relocation maps with pairs)" 
   'Append f1 f2 = (fr2_append f1 f2).
 
-(* Basic properties *********************************************************)
+(* Basic constructions ******************************************************)
 
 (*** mr2_append_nil *)
 lemma fr2_append_nil (f2):