1 files changed, 0 insertions, 79 deletions
diff --git a/theories/Setoids/Setoid_Prop.v b/theories/Setoids/Setoid_Prop.v
deleted file mode 100644
index 7300937e..00000000
--- a/theories/Setoids/Setoid_Prop.v
+++ /dev/null
@@ -1,79 +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: Setoid_Prop.v 10739 2008-04-01 14:45:20Z herbelin $: i*)
-
-Require Import Setoid_tac.
-
-(** * A few examples on [iff] *)
-
-(** [iff] as a relation *)
-
-Add Relation Prop iff
-  reflexivity proved by iff_refl
-  symmetry proved by iff_sym
-  transitivity proved by iff_trans
-as iff_relation.
-
-(** [impl] as a relation *)
-
-Theorem impl_trans: transitive _ impl.
-Proof.
-  hnf; unfold impl; tauto.
-Qed.
-
-Add Relation Prop impl
-  reflexivity proved by impl_refl
-  transitivity proved by impl_trans
-as impl_relation.
-
-(** [impl] is a morphism *)
-
-Add Morphism impl with signature iff ==> iff ==> iff as Impl_Morphism.
-Proof.
-  unfold impl; tauto.
-Qed.
-
-(** [and] is a morphism *)
-
-Add Morphism and with signature iff ==> iff ==> iff as And_Morphism.
- tauto.
-Qed.
-
-(** [or] is a morphism *)
-
-Add Morphism or with signature iff ==> iff ==> iff as Or_Morphism.
-Proof.
-  tauto.
-Qed.
-
-(** [not] is a morphism *)
-
-Add Morphism not with signature iff ==> iff as Not_Morphism.
-Proof.
-  tauto.
-Qed.
-
-(** The same examples on [impl] *)
-
-Add Morphism and with signature impl ++> impl ++> impl as And_Morphism2.
-Proof.
-  unfold impl; tauto.
-Qed.
-
-Add Morphism or with signature impl ++> impl ++> impl as Or_Morphism2.
-Proof.
-  unfold impl; tauto.
-Qed.
-
-Add Morphism not with signature impl --> impl as Not_Morphism2.
-Proof.
-  unfold impl; tauto.
-Qed.
-