This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.
import Aesop
-- Ensure that Aesop is running
example : α → α :=
by aesop
example : ∀ (p q: Prop), p ∨ q → q ∨ p := by
intro p q h
cases h
. apply Or.inr
assumption
. apply Or.inl