∀ {R : Type u_1} [inst : LinearOrder R] [inst_1 : TopologicalSpace R] (toFun toFun_1 : R → ℝ)
  (e_toFun : toFun = toFun_1) (mono' : Monotone toFun)
  (right_continuous' : ∀ (x : R), ContinuousWithinAt toFun (Set.Ici x) x),
  { toFun := toFun, mono' := mono', right_continuous' := right_continuous' } =
    { toFun := toFun_1, mono' := ⋯, right_continuous' := ⋯ }