`BookProof.SmCar.annih_occ_sign` : (annih (1 : Fin 2) (occ {0, 1})) {0} = -1

Proved

BookProof.SmCar.annih_occ_sign

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

theoremstimepiece

Prove the following Lean 4 theorem from ChapterSmCarAlgebra.

BookProof.SmCar.annih_occ_sign : (annih (1 : Fin 2) (occ {0, 1})) {0} = -1

Formalization note: Lean 4 identifier BookProof.SmCar.annih_occ_sign.

Preamble

-- Generated from ChapterSmCarAlgebra.lean — theorem BookProof.SmCar.annih_occ_sign
import Mathlib
import Definitions.Def_ChapterSmCarAlgebra
import Definitions.Def_ChapterNavierStokesFockSpace
open BookProof.NavierStokesFlow.FockOfFock
open BookProof.SmCar



open Finset

variable {n : ℕ}

Formal statement

theorem BookProof.SmCar.annih_occ_sign : (annih (1 : Fin 2) (occ {0, 1})) {0} = -1 := by sorry

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