contribs: some improvements

[helm.git] / matita / contribs / RELATIONAL / NPlus / defs.ma

diff --git a/matita/contribs/RELATIONAL/NPlus/defs.ma b/matita/contribs/RELATIONAL/NPlus/defs.ma
index 289093403b3bc1c1643fc7607167a26f9d21d0a4..8d8b304c3afce2eb1d9aa75c68b0c59a3cdae2e7 100644 (file)
--- a/matita/contribs/RELATIONAL/NPlus/defs.ma
+++ b/matita/contribs/RELATIONAL/NPlus/defs.ma
@@ -14,9 +14,7 @@
 
 set "baseuri" "cic:/matita/RELATIONAL/NPlus/defs".
 
-include "logic/equality.ma".
-
-include "Nat/defs.ma".
+include "datatypes/Nat.ma".
 
 inductive NPlus (p:Nat): Nat \to Nat \to Prop \def
    | nplus_zero_2: NPlus p zero p
@@ -26,6 +24,6 @@ inductive NPlus (p:Nat): Nat \to Nat \to Prop \def
 interpretation "natural plus predicate" 'rel_plus x y z = 
    (cic:/matita/RELATIONAL/NPlus/defs/NPlus.ind#xpointer(1/1) x y z).
 
-notation "hvbox(a break + b break == c)" 
+notation "hvbox(a break + b break == c)"
   non associative with precedence 95
 for @{ 'rel_plus $a $b $c}.