X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fmatita%2Flibrary%2Fnat%2Fpermutation.ma;h=4654f33fca7efa46bc1d58daa2ebfea4df0f5f2c;hb=13c10bcf4c938ee43746bce6fb0e160b668e374d;hp=5d6e5cf1e953ca73cbe7d20f9347c4175a19c009;hpb=a180bddcd4a8f35de3d7292162ba05d0077723aa;p=helm.git

diff --git a/helm/software/matita/library/nat/permutation.ma b/helm/software/matita/library/nat/permutation.ma
index 5d6e5cf1e..4654f33fc 100644
--- a/helm/software/matita/library/nat/permutation.ma
+++ b/helm/software/matita/library/nat/permutation.ma
@@ -12,8 +12,6 @@
 (*                                                                        *)
 (**************************************************************************)
 
-set "baseuri" "cic:/matita/nat/permutation".
-
 include "nat/compare.ma".
 include "nat/sigma_and_pi.ma".
 
@@ -74,12 +72,10 @@ match eqb n i with
       [ true \Rightarrow i
       | false \Rightarrow n]].
 
-notation < "(❲i↹j❳)n"
-  right associative with precedence 71 
+notation < "(❲i↹j❳)n" with precedence 71 
 for @{ 'transposition $i $j $n}.
 
-notation < "(❲i \atop j❳)n"
-  right associative with precedence 71 
+notation < "(❲i \atop j❳)n" with precedence 71 
 for @{ 'transposition $i $j $n}.
 
 interpretation "natural transposition" 'transposition i j n =