`BookProof.QuantumGravityFock.qgGhostCar_book` (a b : Fin qgGhostModes) (z : QGGraded) : ghostOp (fermAnn a.val) (ghostOp (fermCre b.val) z) + ghostOp (fermCre b.val) (ghostOp (fer

Proved

BookProof.QuantumGravityFock.qgGhostCar_book

by leonardopedro · Oct 16, 2026 · Mathlib 0df444a (Lean v4.33.1)

theoremstimepiece

Prove the following Lean 4 theorem from ChapterQuantumGravityFock.

BookProof.QuantumGravityFock.qgGhostCar_book (a b : Fin qgGhostModes) (z : QGGraded) : ghostOp (fermAnn a.val) (ghostOp (fermCre b.val) z) + ghostOp (fermCre b.val) (ghostOp (fermAnn a.val) z) = if a = b then z else 0

Formalization note: Lean 4 identifier BookProof.QuantumGravityFock.qgGhostCar_book.

Preamble

-- Generated from ChapterQuantumGravityFock.lean — theorem BookProof.QuantumGravityFock.qgGhostCar_book
import Definitions.Def_ChapterNavierStokesAffineFiberEsa
import Definitions.Def_ChapterNavierStokesIkebeKato
import Definitions.Def_ChapterNavierStokesFockSpace
import Definitions.Def_ChapterNavierStokesFullEsa
import Definitions.Def_ChapterFarisLavine
import Definitions.Def_ChapterStoneBridge
import Definitions.Def_ChapterEsaClosureCore
import Definitions.Def_ChapterSirkTrotterKato
import Definitions.Def_ChapterYangMillsFriedrichs
import Definitions.Def_ChapterHermiteGalerkinFriedrichs
import Definitions.Def_ChapterComplexShiftCore
import Mathlib
import Definitions.Def_ChapterQuantumGravityFock
import Definitions.Def_ChapterFockSecondQuantization
open BookProof.FockSecondQuantization
open BookProof.QuantumGravityFock



open BookProof.NavierStokesFlow BookProof.NavierStokesFlow.IkebeKato
open BookProof.NavierStokesFlow.FockOfFock BookProof.NavierStokesFlow.FullEsa
open BookProof.FarisLavine BookProof.StoneBridge BookProof.EsaClosure
open BookProof.ChapterStoneResolvent BookProof.YangMillsFriedrichs
open BookProof.HermiteGalerkin BookProof.HashimotoShiftInvert
open BookProof.FockSecondQuantization

noncomputable section

Formal statement

theorem BookProof.QuantumGravityFock.qgGhostCar_book (a b : Fin qgGhostModes) (z : QGGraded) :
    ghostOp (fermAnn a.val) (ghostOp (fermCre b.val) z)
        + ghostOp (fermCre b.val) (ghostOp (fermAnn a.val) z)
      = if a = b then z else 0 := by sorry

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