1 files changed, 0 insertions, 36 deletions
diff --git a/theories7/Bool/Zerob.v b/theories7/Bool/Zerob.v
deleted file mode 100755
index 24e48c28..00000000
--- a/theories7/Bool/Zerob.v
+++ /dev/null
@@ -1,36 +0,0 @@
-(************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, * CNRS-Ecole Polytechnique-INRIA Futurs-Universite Paris Sud *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
-(************************************************************************)
-
-(*i $Id: Zerob.v,v 1.1.2.1 2004/07/16 19:31:25 herbelin Exp $ i*)
-
-Require Arith.
-Require Bool.
-
-V7only [Import nat_scope.].
-Open Local Scope nat_scope.
-
-Definition zerob : nat->bool 
-      := [n:nat]Cases n of O => true | (S _) => false end.
-
-Lemma zerob_true_intro : (n:nat)(n=O)->(zerob n)=true.
-NewDestruct n; [Trivial with bool | Inversion 1].
-Qed.
-Hints Resolve zerob_true_intro : bool.
-
-Lemma zerob_true_elim : (n:nat)(zerob n)=true->(n=O).
-NewDestruct n; [Trivial with bool | Inversion 1].
-Qed.
-
-Lemma zerob_false_intro : (n:nat)~(n=O)->(zerob n)=false.
-NewDestruct n; [NewDestruct 1; Auto with bool | Trivial with bool].
-Qed.
-Hints Resolve zerob_false_intro : bool.
-
-Lemma zerob_false_elim : (n:nat)(zerob n)=false -> ~(n=O).
-NewDestruct n; [Intro H; Inversion H | Auto with bool].
-Qed.