module 1FundamentalGroup.Quest0SideQuests.TrueNotFalse where open import Cubical.Data.Empty open import Cubical.Data.Unit renaming ( Unit to ⊤ ) open import Cubical.Data.Bool using (Bool ; true ; false) open import Cubical.Foundations.Prelude true≢false : true ≡ false → ⊥ true≢false = {!!}