Prove2Me

`BookProof.ChapterA3m.swap12_sq` : swap12 * swap12 = 1

Proved
BookProof.ChapterA3m.swap12_sq

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

theoremstimepiece

Prove the following Lean 4 theorem from ChapterA3m.

BookProof.ChapterA3m.swap12_sq : swap12 * swap12 = 1

Formalization note: Lean 4 identifier BookProof.ChapterA3m.swap12_sq.

Preamble
-- Generated from ChapterA3m.lean — theorem BookProof.ChapterA3m.swap12_sq
import Definitions.Def_ChapterA3
import Definitions.Def_ChapterA3j
import Mathlib
import Definitions.Def_ChapterA3m
import Definitions.Def_ChapterA3k
import Definitions.Def_ChapterA3l
open BookProof.ChapterA3k
open BookProof.ChapterA3l
open BookProof.ChapterA3m


open Matrix
open scoped Kronecker


open BookProof.ChapterA3 BookProof.ChapterA3j BookProof.ChapterA3k BookProof.ChapterA3l
Formal statement
theorem BookProof.ChapterA3m.swap12_sq : swap12 * swap12 = 1 := by sorry

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