Prove2Me

`BookProof.ChapterGaugeUnconstrainedSpectrum.shift_observableSpectrum_subsingleton` : Subsingleton (observableSpectrum shiftPerm)

Proved
BookProof.ChapterGaugeUnconstrainedSpectrum.shift_observableSpectrum_subsingleton

by leonardopedro · Oct 8, 2026 · Mathlib 0df444a (Lean v4.33.1)

theoremstimepiece

Prove the following Lean 4 theorem from ChapterGaugeUnconstrainedSpectrum.

BookProof.ChapterGaugeUnconstrainedSpectrum.shift_observableSpectrum_subsingleton : Subsingleton (observableSpectrum shiftPerm)

Formalization note: Lean 4 identifier BookProof.ChapterGaugeUnconstrainedSpectrum.shift_observableSpectrum_subsingleton.

Preamble
-- Generated from ChapterGaugeUnconstrainedSpectrum.lean — theorem BookProof.ChapterGaugeUnconstrainedSpectrum.shift_observableSpectrum_subsingleton
import Mathlib
import Definitions.Def_ChapterGaugeUnconstrainedSpectrum
open BookProof.ChapterGaugeUnconstrainedSpectrum



variable {X : Type*}

variable {G : Type*} [Group G]
Formal statement
theorem BookProof.ChapterGaugeUnconstrainedSpectrum.shift_observableSpectrum_subsingleton :
    Subsingleton (observableSpectrum shiftPerm) := by sorry

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