`BookProof.ChapterA3.mgamma5_sq` : mgamma5 * mgamma5 = -(1 : Matrix (Fin 4) (Fin 4) ℂ)

Proved

BookProof.ChapterA3.mgamma5_sq

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

theoremstimepiece

Prove the following Lean 4 theorem from ChapterA3.

BookProof.ChapterA3.mgamma5_sq : mgamma5 * mgamma5 = -(1 : Matrix (Fin 4) (Fin 4) ℂ)

Formalization note: Lean 4 identifier BookProof.ChapterA3.mgamma5_sq.

Preamble

-- Generated from ChapterA3.lean — theorem BookProof.ChapterA3.mgamma5_sq
import Mathlib
import Definitions.Def_ChapterA3
open BookProof.ChapterA3


open Matrix

Formal statement

theorem BookProof.ChapterA3.mgamma5_sq :
    mgamma5 * mgamma5 = -(1 : Matrix (Fin 4) (Fin 4) ℂ) := by sorry

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