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Diffstat (limited to 'src/Util/NatUtil.v')
| -rw-r--r-- | src/Util/NatUtil.v | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/Util/NatUtil.v b/src/Util/NatUtil.v index 087f0a6c7..08fd8a92a 100644 --- a/src/Util/NatUtil.v +++ b/src/Util/NatUtil.v @@ -392,3 +392,6 @@ Proof. end; rewrite H'' in *; assumption. } } Qed. + +Lemma max_0_iff a b : Nat.max a b = 0%nat <-> (a = 0%nat /\ b = 0%nat). +Proof. omega **. Qed. |