X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fmatita%2Fcore_notation.ma;h=680ebb7b5ac858a028708a4dbb4896bbe8175800;hb=13fab17e3d3dee05df676985c065ae54a5766870;hp=486e921b5d4ba717bb317976e8ec8736c48def1d;hpb=84c9131c30a4a991c595f61620794b1b75a5a16d;p=helm.git

diff --git a/helm/matita/core_notation.ma b/helm/matita/core_notation.ma
index 486e921b5..680ebb7b5 100644
--- a/helm/matita/core_notation.ma
+++ b/helm/matita/core_notation.ma
@@ -2,6 +2,10 @@ notation "hvbox(a break \to b)"
   right associative with precedence 20
 for @{ \forall $_:$a.$b }.
 
+notation < "hvbox(a break \to b)" 
+  right associative with precedence 20
+for @{ \Pi $_:$a.$b }.
+
 notation "hvbox(a break = b)" 
   non associative with precedence 45
 for @{ 'eq $a $b }.
@@ -91,6 +95,13 @@ interpretation "real unary minus" 'uminus x = (cic:/Coq/Reals/Rdefinitions/Ropp.
 interpretation "binary integer negative sign" 'uminus x = (cic:/Coq/ZArith/BinInt/Z.ind#xpointer(1/1/3) x).
 interpretation "binary integer unary minus" 'uminus x = (cic:/Coq/ZArith/BinInt/Zopp.con x).
 
+(* logical operators *)
+
+interpretation "logical and" 'and x y = (cic:/Coq/Init/Logic/and.ind#xpointer(1/1) x y).
+interpretation "logical or" 'or x y = (cic:/Coq/Init/Logic/or.ind#xpointer(1/1) x y).
+interpretation "logical not" 'not x = (cic:/Coq/Init/Logic/not.con x).
+interpretation "exists" 'exists x y = (cic:/Coq/Init/Logic/ex.ind#xpointer(1/1) x y).
+
 (* relational operators *)
 
 interpretation "natural 'less or equal to'" 'leq x y = (cic:/Coq/Init/Peano/le.ind#xpointer(1/1) x y).
@@ -105,22 +116,3 @@ interpretation "real 'greater than'" 'gt x y = (cic:/Coq/Reals/Rdefinitions/Rgt.
 interpretation "leibnitz's equality" 'eq x y = (cic:/Coq/Init/Logic/eq.ind#xpointer(1/1) _ x y).
 interpretation "not equal to (leibnitz)" 'neq x y = (cic:/Coq/Init/Logic/not.con (cic:/Coq/Init/Logic/eq.ind#xpointer(1/1) _ x y)).
 
-(* logical operators *)
-
-interpretation "logical and" 'and x y = (cic:/Coq/Init/Logic/and.ind#xpointer(1/1) x y).
-interpretation "logical or" 'or x y = (cic:/Coq/Init/Logic/or.ind#xpointer(1/1) x y).
-interpretation "logical not" 'not x = (cic:/Coq/Init/Logic/not.con x).
-interpretation "exists" 'exists x y = (cic:/Coq/Init/Logic/ex.ind#xpointer(1/1) x y).
-
-(*
-  add_symbol_choice "cast"
-    ("type cast",
-      (fun env _ args ->
-        let t1, t2 =
-          match args with 
-          | [t1; t2] -> t1, t2
-          | _ -> raise Invalid_choice
-        in
-        Cic.Cast (t1, t2)));
-*)
-