`BookProof.ChapterB4.P2_isPureState` : IsPureState P2

Proved

BookProof.ChapterB4.P2_isPureState

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

theoremstimepiece

Prove the following Lean 4 theorem from ChapterB4.

BookProof.ChapterB4.P2_isPureState : IsPureState P2

Formalization note: Lean 4 identifier BookProof.ChapterB4.P2_isPureState.

Preamble

-- Generated from ChapterB4.lean — theorem BookProof.ChapterB4.P2_isPureState
import Mathlib
import Definitions.Def_ChapterB4
open BookProof.ChapterB4



open Matrix

noncomputable section

Formal statement

theorem BookProof.ChapterB4.P2_isPureState : IsPureState P2 := by sorry

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