X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fmatita%2Fnlibrary%2Flogic%2Fequality.ma;h=1da7e1b0be4ec611643009b61780a08a09505cd8;hb=d3c72253769956a8af10e6ea990ed34c92999e58;hp=2418f2a7c504da2a7f8b68957604c30ad224a4be;hpb=6003ba0e4600778c6055ed5ea5cb6c1fba3abe32;p=helm.git

diff --git a/helm/software/matita/nlibrary/logic/equality.ma b/helm/software/matita/nlibrary/logic/equality.ma
index 2418f2a7c..1da7e1b0b 100644
--- a/helm/software/matita/nlibrary/logic/equality.ma
+++ b/helm/software/matita/nlibrary/logic/equality.ma
@@ -17,11 +17,6 @@ include "logic/connectives.ma".
 ninductive eq (A: Type) (a: A) : A → CProp ≝
  refl: eq A a a.
 
-nlet rec eq_rect (A: Type) (x: A) (P: ∀y:A. eq A x y → CProp) (q: P x (refl A x))
- (y: A) (p: eq A x y) on p : P y p ≝
- match p with
-  [ refl ⇒ q ].
- 
 interpretation "leibnitz's equality" 'eq t x y = (eq t x y).
 
 interpretation "leibnitz's non-equality" 'neq t x y = (Not (eq t x y)).