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[helm.git] / helm / software / matita / library / nat / permutation.ma

diff --git a/helm/software/matita/library/nat/permutation.ma b/helm/software/matita/library/nat/permutation.ma
index 5d6e5cf1e953ca73cbe7d20f9347c4175a19c009..e594b82205d0423a05bc607bd5adb87615adefeb 100644 (file)
--- 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".
 
@@ -74,16 +72,13 @@ 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 =
-  (cic:/matita/nat/permutation/transpose.con i j n).
+interpretation "natural transposition" 'transposition i j n = (transpose i j n).
 
 lemma transpose_i_j_i: \forall i,j:nat. transpose i j i = j.
 intros.unfold transpose.