From 1f954745f214b82cbd6c79e61f89a966d463da8e Mon Sep 17 00:00:00 2001 From: Jason Gross Date: Tue, 25 Dec 2018 13:37:16 -0500 Subject: Move le_{add,sub}_1_* to ZUtil.Le --- src/Util/ZUtil/Le.v | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'src/Util') diff --git a/src/Util/ZUtil/Le.v b/src/Util/ZUtil/Le.v index ca180c556..a32d0fdd0 100644 --- a/src/Util/ZUtil/Le.v +++ b/src/Util/ZUtil/Le.v @@ -55,4 +55,10 @@ Module Z. Lemma sub_pos_bound a b X : 0 <= a < X -> 0 <= b < X -> -X < a - b < X. Proof. lia. Qed. + + Lemma le_sub_1_iff x y : x <= y - 1 <-> x < y. + Proof. lia. Qed. + + Lemma le_add_1_iff x y : x + 1 <= y <-> x < y. + Proof. lia. Qed. End Z. -- cgit v1.2.3