(n : ℕ) (y : H) : ‖resDiff T S n y‖ ≤ 2 * ‖y‖

-- Generated from ChapterSirkTrotterKato.lean — theorem BookProof.ChapterSirkTrotterKato.norm_resDiff_apply_le
import Mathlib
import Definitions.Def_ChapterSirkTrotterKato
open BookProof.ChapterSirkTrotterKato










noncomputable section

open Filter Topology Asymptotics
open scoped InnerProductSpace


open BookProof.ChapterStoneResolvent

variable {H : Type*} [NormedAddCommGroup H] [InnerProductSpace ℂ H] [CompleteSpace H]













variable (T : UnboundedSelfAdjoint H) (S : ℕ → UnboundedSelfAdjoint H)

theorem BookProof.ChapterSirkTrotterKato.norm_resDiff_apply_le (n : ℕ) (y : H) : ‖resDiff T S n y‖ ≤ 2 * ‖y‖ := by sorry