X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fground%2Frelocation%2Ffr2_nat.ma;h=67fd827ad73ae2a2aed696a9923639162cd6c972;hp=d71dc8fb4df8496e6f800baf28d0a68e74c42c85;hb=2ed8d2abcc3b0687141b627061b63350a0b200bd;hpb=b367de0252e88d6b0476648d5ceac7e4aeffca27

diff --git a/matita/matita/contribs/lambdadelta/ground/relocation/fr2_nat.ma b/matita/matita/contribs/lambdadelta/ground/relocation/fr2_nat.ma
index d71dc8fb4..67fd827ad 100644
--- a/matita/matita/contribs/lambdadelta/ground/relocation/fr2_nat.ma
+++ b/matita/matita/contribs/lambdadelta/ground/relocation/fr2_nat.ma
@@ -17,7 +17,7 @@ include "ground/arith/nat_plus.ma".
 include "ground/arith/nat_lt.ma".
 include "ground/relocation/fr2_map.ma".
 
-(* NON-NEGATIVE APPLICATION FOR FINITE RELOCATION MAPS WITH PAIRS *******************************************)
+(* NON-NEGATIVE APPLICATION FOR FINITE RELOCATION MAPS WITH PAIRS ***********)
 
 (*** at *)
 inductive fr2_nat: fr2_map → relation nat ≝
@@ -36,7 +36,7 @@ interpretation
   "non-negative relational application (finite relocation maps with pairs)"
   'RAt l1 f l2 = (fr2_nat f l1 l2).
 
-(* Basic inversion lemmas ***************************************************)
+(* Basic inversions *********************************************************)
 
 (*** at_inv_nil *)
 lemma fr2_nat_inv_nil (l1) (l2):