`BookProof.ChapterGravityIrrep.symTracelessPart_symm` (M : Matrix (Fin 3) (Fin 3) ℝ) : (symTracelessPart M)ᵀ = symTracelessPart M

Proved

BookProof.ChapterGravityIrrep.symTracelessPart_symm

by leonardopedro · Oct 8, 2026 · Mathlib 0df444a (Lean v4.33.1)

theoremstimepiece

Prove the following Lean 4 theorem from ChapterGravityIrrep.

BookProof.ChapterGravityIrrep.symTracelessPart_symm (M : Matrix (Fin 3) (Fin 3) ℝ) : (symTracelessPart M)ᵀ = symTracelessPart M

Formalization note: Lean 4 identifier BookProof.ChapterGravityIrrep.symTracelessPart_symm.

Preamble

-- Generated from ChapterGravityIrrep.lean — theorem BookProof.ChapterGravityIrrep.symTracelessPart_symm
import Mathlib
import Definitions.Def_ChapterGravityIrrep
open BookProof.ChapterGravityIrrep



open Matrix
open scoped BigOperators

Formal statement

theorem BookProof.ChapterGravityIrrep.symTracelessPart_symm (M : Matrix (Fin 3) (Fin 3) ℝ) :
    (symTracelessPart M)ᵀ = symTracelessPart M := by sorry

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