`BookProof.OdeUnitaryFlow.invMap_ne_zero` {x : ℝ} (hx : x ≠ 0) : invMap x ≠ 0

Proved

BookProof.OdeUnitaryFlow.invMap_ne_zero

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

theoremstimepiece

Prove the following Lean 4 theorem from ChapterOdeUnitaryFlow.

BookProof.OdeUnitaryFlow.invMap_ne_zero {x : ℝ} (hx : x ≠ 0) : invMap x ≠ 0

Formalization note: Lean 4 identifier BookProof.OdeUnitaryFlow.invMap_ne_zero.

Preamble

-- Generated from ChapterOdeUnitaryFlow.lean — theorem BookProof.OdeUnitaryFlow.invMap_ne_zero
import Mathlib
import Definitions.Def_ChapterOdeUnitaryFlow
open BookProof.OdeUnitaryFlow



open MeasureTheory Filter Set
open scoped Topology ENNReal

Formal statement

theorem BookProof.OdeUnitaryFlow.invMap_ne_zero {x : ℝ} (hx : x ≠ 0) : invMap x ≠ 0 := by sorry

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