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[Merged by Bors] - feat(Measure/WithDensity): drop measurability assumption #14736

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@urkud urkud commented Jul 14, 2024

  • Show that for an s-finite measure, any function is equivalent to a
    measurable function in the sense of Lebesgue integrals over subsets.
  • Use it to drop measurability assumption
    and add an instance Measure.withDensity.instSFinite.

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- Show that for an s-finite measure, any function is equivalent to a
  measurable function in the sense of Lebesgue integrals over subsets.
- Use it to drop measurability assumption
  and add an instance `Measure.withDensity.instSFinite`.
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github-actions bot commented Jul 14, 2024

PR summary 01bac5ff3e

Import changes for modified files

No significant changes to the import graph

Import changes for all files
Files Import difference

Declarations diff

+ Measure.withDensity.instSFinite
+ exists_measurable_le_forall_setLIntegral_eq
+ exists_measurable_le_withDensity_eq

You can run this locally as follows
## summary with just the declaration names:
./scripts/declarations_diff.sh <optional_commit>

## more verbose report:
./scripts/declarations_diff.sh long <optional_commit>

@urkud urkud added the t-measure-probability Measure theory / Probability theory label Jul 14, 2024
@RemyDegenne
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Thanks!
bors r+

@github-actions github-actions bot added the ready-to-merge This PR has been sent to bors. label Jul 16, 2024
mathlib-bors bot pushed a commit that referenced this pull request Jul 16, 2024
- Show that for an s-finite measure, any function is equivalent to a
  measurable function in the sense of Lebesgue integrals over subsets.
- Use it to drop measurability assumption
  and add an instance `Measure.withDensity.instSFinite`.
@mathlib-bors
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mathlib-bors bot commented Jul 16, 2024

Pull request successfully merged into master.

Build succeeded:

@mathlib-bors mathlib-bors bot changed the title feat(Measure/WithDensity): drop measurability assumption [Merged by Bors] - feat(Measure/WithDensity): drop measurability assumption Jul 16, 2024
@mathlib-bors mathlib-bors bot closed this Jul 16, 2024
@mathlib-bors mathlib-bors bot deleted the YK-ex-meas branch July 16, 2024 06:10
@adomani adomani mentioned this pull request Aug 1, 2024
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2 participants