∀ {m : Type w → Type w'} {β : Type w} [inst : Monad m] [inst_1 : LawfulMonad m] (ita itb : Std.BundledIterM m β),
  Quot.mk (Std.BundledIterM.Equiv m β) ita = Quot.mk (Std.BundledIterM.Equiv m β) itb →
    Std.BundledIterM.Equiv m β ita itb