X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fcontribs%2FRELATIONAL%2FNPlus%2Fdefs.ma;h=93c7a2e45f1da1926dde81919da068133c482b8c;hb=4d945e028b3787f5aa26bdb0ef1639cde3ac30fe;hp=2bc2e8fe006716b2f9ff7d76e2f0738a8a6c94b9;hpb=ac54ae2a52c5e5bda881d2d94f62548202184856;p=helm.git

diff --git a/matita/contribs/RELATIONAL/NPlus/defs.ma b/matita/contribs/RELATIONAL/NPlus/defs.ma
index 2bc2e8fe0..93c7a2e45 100644
--- a/matita/contribs/RELATIONAL/NPlus/defs.ma
+++ b/matita/contribs/RELATIONAL/NPlus/defs.ma
@@ -14,18 +14,16 @@
 
 set "baseuri" "cic:/matita/RELATIONAL/NPlus/defs".
 
-include "logic/equality.ma".
-
-include "Nat/defs.ma".
+include "datatypes/defs.ma".
 
 inductive NPlus (p:Nat): Nat \to Nat \to Prop \def
    | nplus_zero_2: NPlus p zero p
    | nplus_succ_2: \forall q, r. NPlus p q r \to NPlus p (succ q) (succ r).
 
 (*CSC: the URI must disappear: there is a bug now *)
-interpretation "natural plus (relational)" 'rel_plus x y z = 
+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}.