diff options
Diffstat (limited to 'theories/QArith/Qring.v')
| -rw-r--r-- | theories/QArith/Qring.v | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/theories/QArith/Qring.v b/theories/QArith/Qring.v index 9d294805..f9aa3e50 100644 --- a/theories/QArith/Qring.v +++ b/theories/QArith/Qring.v @@ -6,7 +6,7 @@ (* * GNU Lesser General Public License Version 2.1 *) (************************************************************************) -(*i $Id: Qring.v 9245 2006-10-17 12:53:34Z notin $ i*) +(*i $Id: Qring.v 9551 2007-01-29 15:13:35Z bgregoir $ i*) Require Export Ring. Require Export QArith_base. @@ -37,15 +37,15 @@ Proof. Qed. Ltac isQcst t := - let t := eval hnf in t in - match t with - Qmake ?n ?d => - match isZcst n with - true => isZcst d - | _ => false - end - | _ => false - end. + match t with + | inject_Z ?z => isZcst z + | Qmake ?n ?d => + match isZcst n with + true => isPcst d + | _ => false + end + | _ => false + end. Ltac Qcst t := match isQcst t with @@ -74,7 +74,7 @@ Let ex3 : forall x y z : Q, (x+y)+z == x+(y+z). Qed. Let ex4 : (inject_Z 1)+(inject_Z 1)==(inject_Z 2). - ring. + ring. Qed. Let ex5 : 1+1 == 2#1. |