Comments (2)
More minimised: presumably omega
should be able to do this?
import Mathlib.Data.Nat.Order.Basic
example (t : Nat) (ht : t ≠ 0) : 0 < t := by omega
/-
omega did not find a contradiction:
trivial
-/
from std4.
It turns out that omega can handle disjunction, so it should be sufficient to replace (a ≠ b) with (a < b ∨ a > b) during preprocessing.
from std4.
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from std4.