`BookProof.ChapterA4g.rotGenZ_coeffMass1Z_comm` (i j : Fin 3) : rotGenZ i j * coeffMass1Z = coeffMass1Z * rotGenZ i j

Proved

BookProof.ChapterA4g.rotGenZ_coeffMass1Z_comm

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

theoremstimepiece

Prove the following Lean 4 theorem from ChapterA4g.

BookProof.ChapterA4g.rotGenZ_coeffMass1Z_comm (i j : Fin 3) : rotGenZ i j * coeffMass1Z = coeffMass1Z * rotGenZ i j

Formalization note: Lean 4 identifier BookProof.ChapterA4g.rotGenZ_coeffMass1Z_comm.

Preamble

-- Generated from ChapterA4g.lean — theorem BookProof.ChapterA4g.rotGenZ_coeffMass1Z_comm
import Definitions.Def_ChapterA3
import Mathlib
import Definitions.Def_ChapterA4g
import Definitions.Def_ChapterA5
open BookProof.ChapterA5
open BookProof.ChapterA4g


open Matrix
open scoped ComplexConjugate


open BookProof.ChapterA3

Formal statement

theorem BookProof.ChapterA4g.rotGenZ_coeffMass1Z_comm (i j : Fin 3) :
    rotGenZ i j * coeffMass1Z = coeffMass1Z * rotGenZ i j := by sorry

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