`BookProof.ChapterCPTHamiltonian.kinSum_MassB_anticomm` (k : Fin 3 → ℝ) : (∑ j : Fin 3, (k j : ℂ) • Kin j) * MassB + MassB * (∑ j : Fin 3, (k j : ℂ) • Kin j) = 0

Proved

BookProof.ChapterCPTHamiltonian.kinSum_MassB_anticomm

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

theoremstimepiece

Prove the following Lean 4 theorem from ChapterCPTHamiltonian.

BookProof.ChapterCPTHamiltonian.kinSum_MassB_anticomm (k : Fin 3 → ℝ) : (∑ j : Fin 3, (k j : ℂ) • Kin j) * MassB + MassB * (∑ j : Fin 3, (k j : ℂ) • Kin j) = 0

Formalization note: Lean 4 identifier BookProof.ChapterCPTHamiltonian.kinSum_MassB_anticomm.

Preamble

-- Generated from ChapterCPTHamiltonian.lean — theorem BookProof.ChapterCPTHamiltonian.kinSum_MassB_anticomm
import Definitions.Def_ChapterA3
import Mathlib
import Definitions.Def_ChapterCPTHamiltonian
open BookProof.ChapterCPTHamiltonian


open Matrix


open BookProof.ChapterA3

Formal statement

theorem BookProof.ChapterCPTHamiltonian.kinSum_MassB_anticomm (k : Fin 3 → ℝ) :
    (∑ j : Fin 3, (k j : ℂ) • Kin j) * MassB + MassB * (∑ j : Fin 3, (k j : ℂ) • Kin j)
      = 0 := by sorry

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