Prove2Me

`BookProof.ChapterMixedPrior.atoms_eq_empty_of_noAtoms` (mu : Measure X) [NullSingletonClass mu] : atoms mu = ∅

Proved
BookProof.ChapterMixedPrior.atoms_eq_empty_of_noAtoms

by leonardopedro · Oct 9, 2026 · Mathlib 0df444a (Lean v4.33.1)

theoremstimepiece

Prove the following Lean 4 theorem from ChapterMixedPrior.

BookProof.ChapterMixedPrior.atoms_eq_empty_of_noAtoms (mu : Measure X) [NullSingletonClass mu] : atoms mu = ∅

Formalization note: Lean 4 identifier BookProof.ChapterMixedPrior.atoms_eq_empty_of_noAtoms.

Preamble
-- Generated from ChapterMixedPrior.lean — theorem BookProof.ChapterMixedPrior.atoms_eq_empty_of_noAtoms
import Mathlib
import Definitions.Def_ChapterMixedPrior
import Definitions.Def_ChapterAtomicDecomposition
open BookProof.ChapterAtomicDecomposition
open BookProof.ChapterMixedPrior


open MeasureTheory ProbabilityTheory


open BookProof.ChapterAtomicDecomposition

variable {X : Type*} [MeasurableSpace X] [MeasurableSingletonClass X]
Formal statement
theorem BookProof.ChapterMixedPrior.atoms_eq_empty_of_noAtoms (mu : Measure X) [NullSingletonClass mu] : atoms mu = ∅ := by sorry

View graph