English
For s,t ∈ Finset.Colex α, Finset.Colex.ofColex s ≠ Finset.Colex.ofColex t iff s ≠ t.
Русский
Для s,t ∈ Finset.Colex α верно: Finset.Colex.ofColex s ≠ Finset.Colex.ofColex t эквивалентно s ≠ t.
LaTeX
$$$\forall s,t:\ Finset.Colex(\alpha),\ Finset.Colex.ofColex s \neq Finset.Colex.ofColex t \iff s \neq t$$$
Lean4
@[deprecated ofColex_inj (since := "2025-08-28")]
theorem ofColex_ne_ofColex {s t : Finset.Colex α} : Finset.Colex.ofColex s ≠ Finset.Colex.ofColex t ↔ s ≠ t := by
simp [Finset.ofColex_inj]