`BookProof.ChapterWignerLittleGroup.littleGroup_null` : littleGroup nullMom = SE2

Proved

BookProof.ChapterWignerLittleGroup.littleGroup_null

by leonardopedro · Oct 10, 2026 · Mathlib 0df444a (Lean v4.33.1)

theoremstimepiece

Prove the following Lean 4 theorem from ChapterWignerLittleGroup.

BookProof.ChapterWignerLittleGroup.littleGroup_null : littleGroup nullMom = SE2

Formalization note: Lean 4 identifier BookProof.ChapterWignerLittleGroup.littleGroup_null.

Preamble

-- Generated from ChapterWignerLittleGroup.lean — theorem BookProof.ChapterWignerLittleGroup.littleGroup_null
import Mathlib
import Definitions.Def_ChapterWignerLittleGroup
import Definitions.Def_ChapterLittleGroup
open BookProof.ChapterLittleGroup
open BookProof.ChapterWignerLittleGroup


open Matrix Complex

Formal statement

theorem BookProof.ChapterWignerLittleGroup.littleGroup_null : littleGroup nullMom = SE2 := by sorry

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