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`BookProof.FreeFieldConstraint.bracket_antisymm` (a b : R) : bracket a b = - bracket b a

Proved
BookProof.FreeFieldConstraint.bracket_antisymm

by leonardopedro · Oct 5, 2026 · Mathlib 0df444a (Lean v4.33.1)

theoremstimepiece

Prove the following Lean 4 theorem from ChapterFreeFieldConstraint.

BookProof.FreeFieldConstraint.bracket_antisymm (a b : R) : bracket a b = - bracket b a

Formalization note: Lean 4 identifier BookProof.FreeFieldConstraint.bracket_antisymm.

Preamble
-- Generated from ChapterFreeFieldConstraint.lean — theorem BookProof.FreeFieldConstraint.bracket_antisymm
import Mathlib
import Definitions.Def_ChapterFreeFieldConstraint
open BookProof.FreeFieldConstraint

variable {R : Type*} [Ring R]
Formal statement
theorem BookProof.FreeFieldConstraint.bracket_antisymm (a b : R) : bracket a b = - bracket b a := by sorry

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