fixed bad spellend "stantard"

diff --git a/matita/library/nat/permutation.ma b/matita/library/nat/permutation.ma
index 9ab0358c580b231e7d30b0dc41eaeaa9cd87d7b2..768e0bd6091c50c0b4bc93ff767b4820e978c2c3 100644 (file)
--- a/matita/library/nat/permutation.ma
+++ b/matita/library/nat/permutation.ma
@@ -73,7 +73,18 @@ match eqb n i with
       match eqb n j with
       [ true \Rightarrow i
       | false \Rightarrow n]].
-      
+
+notation < "(❲i↹j❳)n"
+  right associative with precedence 71 
+for @{ 'transposition $i $j $n}.
+
+notation < "(❲i \atop j❳)n"
+  right associative with precedence 71 
+for @{ 'transposition $i $j $n}.
+
+interpretation "natural transposition" 'transposition i j n =
+  (cic:/matita/nat/permutation/transpose.con i j n).
+
 lemma transpose_i_j_i: \forall i,j:nat. transpose i j i = j.
 intros.unfold transpose.
 rewrite > (eqb_n_n i).simplify. reflexivity.

diff --git a/matita/matita.conf.xml.in b/matita/matita.conf.xml.in
index b016367e980f8df9d697a323187ac1b07e91e564..90aafb73d9fa1d1acd8f0a90e2f0cb60abd7b0e1 100644 (file)
--- a/matita/matita.conf.xml.in
+++ b/matita/matita.conf.xml.in
@@ -57,7 +57,7 @@
     -->
     <key name="prefix">
       cic:/matita/
-      file://@RT_BASE_DIR@/xml/stantard-library/
+      file://@RT_BASE_DIR@/xml/standard-library/
       ro
     </key>
     <key name="prefix">