`BookProof.ChapterBell.chsh_quantum_violates_local_bound` : (2 : ℝ) < 2 * Real.sqrt 2

Proved

BookProof.ChapterBell.chsh_quantum_violates_local_bound

by leonardopedro · Oct 7, 2026 · Mathlib 0df444a (Lean v4.33.1)

theoremstimepiece

Prove the following Lean 4 theorem from ChapterBell.

BookProof.ChapterBell.chsh_quantum_violates_local_bound : (2 : ℝ) < 2 * Real.sqrt 2

Formalization note: Lean 4 identifier BookProof.ChapterBell.chsh_quantum_violates_local_bound.

Preamble

-- Generated from ChapterBell.lean — theorem BookProof.ChapterBell.chsh_quantum_violates_local_bound
import Mathlib
import Definitions.Def_ChapterBell
open BookProof.ChapterBell


open scoped BigOperators
open MeasureTheory

variable {Ω : Type*} [MeasurableSpace Ω]

Formal statement

theorem BookProof.ChapterBell.chsh_quantum_violates_local_bound : (2 : ℝ) < 2 * Real.sqrt 2 := by sorry

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