The Lean 4 theorem `fiberCore_dense` in the `ChapterBddBelowFiberSumEsa` chapter of the timepiece formalization

-- Generated from ChapterBddBelowFiberSumEsa.lean — theorem BookProof.BddBelowFiberSumEsa.fiberCore_dense
import Mathlib
import Definitions.Def_ChapterBddBelowFiberSumEsa
open BookProof.BddBelowFiberSumEsa











open MeasureTheory
open BookProof.FarisLavine BookProof.ScalaronEsa BookProof.ScalaronWallEsa

noncomputable section

variable {ι : Type*}

theorem BookProof.BddBelowFiberSumEsa.fiberCore_dense :
    Dense ((fiberCore ι : Submodule ℂ (fiberSpace ι)) : Set (fiberSpace ι)) := by sorry