`BookProof.ChapterA3k.parity_chir2_anticomm` : parityDiag * chir2 = -(chir2 * parityDiag)

Proved

BookProof.ChapterA3k.parity_chir2_anticomm

by leonardopedro · Oct 6, 2026 · Mathlib 0df444a (Lean v4.33.1)

theoremstimepiece

Prove the following Lean 4 theorem from ChapterA3k.

BookProof.ChapterA3k.parity_chir2_anticomm : parityDiag * chir2 = -(chir2 * parityDiag)

Formalization note: Lean 4 identifier BookProof.ChapterA3k.parity_chir2_anticomm.

Preamble

-- Generated from ChapterA3k.lean — theorem BookProof.ChapterA3k.parity_chir2_anticomm
import Mathlib
import Definitions.Def_ChapterA3k
import Definitions.Def_ChapterA3
import Definitions.Def_ChapterA3j
open BookProof.ChapterA3
open BookProof.ChapterA3j
open BookProof.ChapterA3k


open Matrix
open scoped Kronecker


open BookProof.ChapterA3 BookProof.ChapterA3j

Formal statement

theorem BookProof.ChapterA3k.parity_chir2_anticomm : parityDiag * chir2 = -(chir2 * parityDiag) := by sorry

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