Prove2Me

`BookProof.ChapterA3.castMat_minkowskiMatZ` : (Int.castRingHom ℝ).mapMatrix minkowskiMatZ = minkowskiMat

Proved
BookProof.ChapterA3.castMat_minkowskiMatZ

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

theoremstimepiece

Prove the following Lean 4 theorem from ChapterA3e.

BookProof.ChapterA3.castMat_minkowskiMatZ : (Int.castRingHom ℝ).mapMatrix minkowskiMatZ = minkowskiMat

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

Preamble
-- Generated from ChapterA3e.lean — theorem BookProof.ChapterA3.castMat_minkowskiMatZ
import Mathlib
import Definitions.Def_ChapterA3e
import Definitions.Def_ChapterA3
import Definitions.Def_ChapterA3b
import Definitions.Def_ChapterA3d
open BookProof.ChapterA3


open Matrix
Formal statement
theorem BookProof.ChapterA3.castMat_minkowskiMatZ :
    (Int.castRingHom ℝ).mapMatrix minkowskiMatZ = minkowskiMat := by sorry

View graph