X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fmatita%2Fcontribs%2Fprocedural%2FCoq%2Fpreamble.ma;h=a062d69550aa91878387a13a600862c73b0c8fed;hb=0639dda9142d1cf047b07e61fb557e8877aba4d8;hp=04d88dc07bf12e93dd654841e619709c635caebb;hpb=761967afe1bd46b21a6bd69232bf09e1658b0734;p=helm.git

diff --git a/helm/software/matita/contribs/procedural/Coq/preamble.ma b/helm/software/matita/contribs/procedural/Coq/preamble.ma
index 04d88dc07..a062d6955 100644
--- a/helm/software/matita/contribs/procedural/Coq/preamble.ma
+++ b/helm/software/matita/contribs/procedural/Coq/preamble.ma
@@ -32,7 +32,7 @@ default "false"
 default "absurd"
  cic:/Coq/Init/Logic/absurd.con. 
 
-interpretation "Coq's leibnitz's equality" 'eq x y = (cic:/Coq/Init/Logic/eq.ind#xpointer(1/1) _ x y).
+interpretation "Coq's leibnitz's equality" 'eq x y = (cic:/Coq/Init/Logic/eq.ind#xpointer(1/1) ? x y).
 
 theorem f_equal1 : \forall A,B:Type.\forall f:A\to B.\forall x,y:A.
   x = y \to (f y) = (f x).
@@ -41,3 +41,5 @@ theorem f_equal1 : \forall A,B:Type.\forall f:A\to B.\forall x,y:A.
   apply cic:/Coq/Init/Logic/f_equal.con.
   assumption.
 qed.
+
+alias id "land" = "cic:/matita/procedural/Coq/Init/Logic/and.ind#xpointer(1/1)".