`BookProof.ChapterMajoranaProp74.ns_mul_A` {g ns : Matrix (Fin 4) (Fin 4) ℂ} (hns2 : ns * ns = -1) : ns * (ns * g) = -g

Proved

BookProof.ChapterMajoranaProp74.ns_mul_A

by leonardopedro · Oct 9, 2026 · Mathlib 0df444a (Lean v4.33.1)

theoremstimepiece

Prove the following Lean 4 theorem from ChapterMajoranaProp74.

BookProof.ChapterMajoranaProp74.ns_mul_A {g ns : Matrix (Fin 4) (Fin 4) ℂ} (hns2 : ns * ns = -1) : ns * (ns * g) = -g

Formalization note: Lean 4 identifier BookProof.ChapterMajoranaProp74.ns_mul_A.

Preamble

-- Generated from ChapterMajoranaProp74.lean — theorem BookProof.ChapterMajoranaProp74.ns_mul_A
import Definitions.Def_ChapterMajoranaFourier
import Definitions.Def_ChapterA3
import Mathlib
import Definitions.Def_ChapterMajoranaProp74
open BookProof.ChapterMajoranaProp74


open Matrix


open BookProof.ChapterMajoranaFourier
open BookProof.ChapterA3

Formal statement

theorem BookProof.ChapterMajoranaProp74.ns_mul_A {g ns : Matrix (Fin 4) (Fin 4) ℂ} (hns2 : ns * ns = -1) :
    ns * (ns * g) = -g := by sorry

View graph