`BookProof.TwoParticleSector.swapH_involutive` (t : (Hs.pow 2).carrier) : swapH Hs (swapH Hs t) = t

Proved

BookProof.TwoParticleSector.swapH_involutive

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

theoremstimepiece

Prove the following Lean 4 theorem from ChapterTwoParticleSectorEsa.

BookProof.TwoParticleSector.swapH_involutive (t : (Hs.pow 2).carrier) : swapH Hs (swapH Hs t) = t

Formalization note: Lean 4 identifier BookProof.TwoParticleSector.swapH_involutive.

Preamble

-- Generated from ChapterTwoParticleSectorEsa.lean — theorem BookProof.TwoParticleSector.swapH_involutive
import Definitions.Def_ChapterFarisLavine
import Definitions.Def_ChapterGraphCoreTransfer
import Definitions.Def_ChapterReducingSubspaceEsa
import Mathlib
import Definitions.Def_ChapterTwoParticleSectorEsa
import Definitions.Def_ChapterTensorGraphCore
open BookProof.TensorCore
open BookProof.TwoParticleSector



open scoped TensorProduct
open BookProof.FarisLavine BookProof.GraphCore BookProof.ReducedEsa BookProof.TensorCore

noncomputable section

variable (X : Type) [NormedAddCommGroup X] [InnerProductSpace ℂ X]
variable {X}
variable (Hs : IPSpace) (D₂ : Submodule ℂ Hs.carrier)

Formal statement

theorem BookProof.TwoParticleSector.swapH_involutive (t : (Hs.pow 2).carrier) : swapH Hs (swapH Hs t) = t := by sorry

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