Notation for "ex" introduced. It is the same as the notation for forall,

[helm.git] / helm / matita / library / logic / connectives.ma

diff --git a/helm/matita/library/logic/connectives.ma b/helm/matita/library/logic/connectives.ma
index 057bed878b98c838b3d9f962179f794d4b0e1224..6437bd132c6749b8ea44c58d6486e9f3d310cee0 100644 (file)
--- a/helm/matita/library/logic/connectives.ma
+++ b/helm/matita/library/logic/connectives.ma
@@ -61,5 +61,8 @@ definition decidable : Prop \to Prop \def \lambda A:Prop. A \lor \not A.
 inductive ex (A:Type) (P:A \to Prop) : Prop \def
     ex_intro: \forall x:A. P x \to ex A P.
 
+(*CSC: the URI must disappear: there is a bug now *)
+interpretation "exists" 'exists x y = (cic:/matita/logic/connectives/ex.ind#xpointer(1/1) x y).
+
 inductive ex2 (A:Type) (P,Q:A \to Prop) : Prop \def
     ex_intro2: \forall x:A. P x \to Q x \to ex2 A P Q.