diff options
| -rw-r--r-- | theories/Reals/SplitRmult.v | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/theories/Reals/SplitRmult.v b/theories/Reals/SplitRmult.v new file mode 100644 index 0000000000..4791123263 --- /dev/null +++ b/theories/Reals/SplitRmult.v @@ -0,0 +1,19 @@ +(***********************************************************************) +(* v * The Coq Proof Assistant / The Coq Development Team *) +(* <O___,, * INRIA-Rocquencourt & LRI-CNRS-Orsay *) +(* \VV/ *************************************************************) +(* // * This file is distributed under the terms of the *) +(* * GNU Lesser General Public License Version 2.1 *) +(***********************************************************************) + +(*i $Id$ i*) + +(*Lemma mult_non_zero :(r1,r2:R)``r1<>0`` /\ ``r2<>0`` -> ``r1*r2<>0``.*) + + +Require Rbase. + +Tactic Definition SplitRMult := + Match Context With + | [ |- ~(Rmult ?1 ?2)==R0 ] -> Apply mult_non_zero; Split;Try SplitRMult. + |