Zulip Chat Archive

Stream: new members

Topic: omega on real?


Sorrachai Yingchareonthawornchai (Jun 12 2025 at 17:23):

Hi, do you know why omega cannot solve this?

example {d : ℝ} (hd : 2 ≤ d) : 2 / d ≤ 1 := sorry

Bolton Bailey (Jun 12 2025 at 17:27):

omega is designed for natural numbers and integers. bound works.

import Mathlib

example {d : } (hd : 2  d) : 2 / d  1 := by bound

Kevin Buzzard (Jun 12 2025 at 21:33):

Note that you can hover over a tactic in some code and see the description of what it is designed to do.


Last updated: Dec 20 2025 at 21:32 UTC