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+(************************************************************************)
+(*  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        *)
+(************************************************************************)
+
+(* $Id: Field.v,v 1.1.16.1 2004/07/16 19:30:58 herbelin Exp $ *)
+
+(**** Tests of Field with real numbers ****)
+
+Require Reals.
+
+(* Example 1 *)
+Goal (eps:R)``eps*1/(2+2)+eps*1/(2+2) == eps*1/2``.
+Proof.
+  Intros.
+  Field.
+Abort.
+
+(* Example 2 *)
+Goal  (f,g:(R->R); x0,x1:R)
+    ``((f x1)-(f x0))*1/(x1-x0)+((g x1)-(g x0))*1/(x1-x0) == ((f x1)+
+    (g x1)-((f x0)+(g x0)))*1/(x1-x0)``.
+Proof.
+  Intros.
+  Field.
+Abort.
+ 
+(* Example 3 *)
+Goal (a,b:R)``1/(a*b)*1/1/b == 1/a``.
+Proof.
+  Intros.
+  Field.
+Abort.
+ 
+(* Example 4 *)
+Goal (a,b:R)``a <> 0``->``b <> 0``->``1/(a*b)/1/b == 1/a``.
+Proof.
+  Intros.
+  Field.
+Abort.
+ 
+(* Example 5 *)
+Goal (a:R)``1 == 1*1/a*a``.
+Proof.
+  Intros.
+  Field.
+Abort.
+ 
+(* Example 6 *)
+Goal (a,b:R)``b == b*/a*a``.
+Proof.
+  Intros.
+  Field.
+Abort.
+ 
+(* Example 7 *)
+Goal (a,b:R)``b == b*1/a*a``.
+Proof.
+  Intros.
+  Field.
+Abort.
+
+(* Example 8 *)
+Goal (x,y:R)``x*((1/x)+x/(x+y)) == -(1/y)*y*(-(x*x/(x+y))-1)``.
+Proof.
+  Intros.
+  Field.
+Abort.