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Diffstat (limited to 'theories7/Reals/SplitRmult.v')
| -rw-r--r-- | theories7/Reals/SplitRmult.v | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/theories7/Reals/SplitRmult.v b/theories7/Reals/SplitRmult.v new file mode 100644 index 00000000..392675c3 --- /dev/null +++ b/theories7/Reals/SplitRmult.v @@ -0,0 +1,19 @@ +(************************************************************************) +(* 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: SplitRmult.v,v 1.1.2.1 2004/07/16 19:31:36 herbelin Exp $ i*) + +(*i Lemma mult_non_zero :(r1,r2:R)``r1<>0`` /\ ``r2<>0`` -> ``r1*r2<>0``. i*) + + +Require Rbase. + +Recursive Tactic Definition SplitRmult := + Match Context With + | [ |- ~(Rmult ?1 ?2)==R0 ] -> Apply mult_non_zero; Split;Try SplitRmult. + |