1 files changed, 0 insertions, 73 deletions
diff --git a/plugins/nsatz/NsatzZ.v b/plugins/nsatz/NsatzZ.v
deleted file mode 100644
index b57aa0ed..00000000
--- a/plugins/nsatz/NsatzZ.v
+++ /dev/null
@@ -1,73 +0,0 @@
-(************************************************************************)
-(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2010     *)
-(*   \VV/  **************************************************************)
-(*    //   *      This file is distributed under the terms of the       *)
-(*         *       GNU Lesser General Public License Version 2.1        *)
-(************************************************************************)
-
-Require Import Reals ZArith.
-Require Export NsatzR.
-
-Open Scope Z_scope.
-
-Lemma nsatzZhypR: forall x y:Z, x=y -> IZR x = IZR y.
-Proof IZR_eq. (* or f_equal ... *)
-
-Lemma nsatzZconclR: forall x y:Z, IZR x = IZR y -> x = y.
-Proof eq_IZR.
-
-Lemma nsatzZhypnotR: forall x y:Z, x<>y -> IZR x <> IZR y.
-Proof IZR_neq.
-
-Lemma nsatzZconclnotR: forall x y:Z, IZR x <> IZR y -> x <> y.
-Proof.
-intros x y H. contradict H. f_equal. assumption.
-Qed.
-
-Ltac nsatzZtoR1 :=
- repeat
-  (match goal with
-   | H:(@eq Z ?x ?y) |- _ =>
-       generalize (@nsatzZhypR _ _ H); clear H; intro H
-   | |- (@eq Z ?x ?y) => apply nsatzZconclR
-   | H:not (@eq Z ?x ?y) |- _ =>
-       generalize (@nsatzZhypnotR _ _ H); clear H; intro H
-   | |- not (@eq Z ?x ?y) => apply nsatzZconclnotR
-   end).
-
-Lemma nsatzZR1: forall x y:Z, IZR(x+y) = (IZR x + IZR y)%R.
-Proof plus_IZR.
-
-Lemma nsatzZR2: forall x y:Z, IZR(x*y) = (IZR x * IZR y)%R.
-Proof mult_IZR.
-
-Lemma nsatzZR3: forall x y:Z, IZR(x-y) = (IZR x - IZR y)%R.
-Proof.
-intros; symmetry. apply Z_R_minus.
-Qed.
-
-Lemma nsatzZR4: forall (x:Z) p, IZR(x ^ Zpos p) = (IZR x ^ nat_of_P p)%R.
-Proof.
-intros. rewrite pow_IZR.
-do 2 f_equal.
-apply Zpos_eq_Z_of_nat_o_nat_of_P.
-Qed.
-
-Ltac nsatzZtoR2:=
-  repeat
-   (rewrite nsatzZR1 in * ||
-    rewrite nsatzZR2 in * ||
-    rewrite nsatzZR3 in * ||
-    rewrite nsatzZR4 in *).
-
-Ltac nsatzZ_begin :=
- intros;
- nsatzZtoR1;
- nsatzZtoR2;
- simpl in *.
- (*cbv beta iota zeta delta [nat_of_P Pmult_nat plus mult] in *.*)
-
-Ltac nsatzZ :=
- nsatzZ_begin; (*idtac "nsatzZ_begin;";*)
- nsatzR.