diff options
Diffstat (limited to 'theories/Arith/Div2.v')
| -rw-r--r-- | theories/Arith/Div2.v | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/theories/Arith/Div2.v b/theories/Arith/Div2.v index 7cab976f..999a6454 100644 --- a/theories/Arith/Div2.v +++ b/theories/Arith/Div2.v @@ -6,7 +6,7 @@ (* * GNU Lesser General Public License Version 2.1 *) (************************************************************************) -(*i $Id: Div2.v 11735 2009-01-02 17:22:31Z herbelin $ i*) +(*i $Id$ i*) Require Import Lt. Require Import Plus. @@ -36,7 +36,7 @@ Proof. intros P H0 H1 Hn. cut (forall n, P n /\ P (S n)). intros H'n n. elim (H'n n). auto with arith. - + induction n. auto with arith. intros. elim IHn; auto with arith. Qed. @@ -150,7 +150,7 @@ Proof fun n => proj2 (proj2 (even_odd_double n)). Hint Resolve even_double double_even odd_double double_odd: arith. -(** Application: +(** Application: - if [n] is even then there is a [p] such that [n = 2p] - if [n] is odd then there is a [p] such that [n = 2p+1] |