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[Merged by Bors] - feat(MeasureTheory/Integral/Lebesgue): add lintegral_eq_iSup_eapprox_lintegral' and lintegral_comp'#37558

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[Merged by Bors] - feat(MeasureTheory/Integral/Lebesgue): add lintegral_eq_iSup_eapprox_lintegral' and lintegral_comp'#37558
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Add ae-measurable generalizations of two Lebesgue integral lemmas:

  • lintegral_eq_iSup_eapprox_lintegral' generalizes lintegral_eq_iSup_eapprox_lintegral
  • lintegral_comp' generalizes lintegral_comp

Upstreamed from the Carleson project.

Co-authored-by: Leo Diedering 129694072+ldiedering@users.noreply.github.com
Co-authored-by: James Sundstrom James.Sundstrom@gmail.com


@pitmonticone pitmonticone added carleson part of the ongoing formalization of Carleson's theorem easy < 20s of review time. See the lifecycle page for guidelines. labels Apr 2, 2026
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github-actions bot commented Apr 2, 2026

PR summary a1ce43f036

Import changes for modified files

No significant changes to the import graph

Import changes for all files
Files Import difference

Declarations diff

+ lintegral_comp'
+ lintegral_eq_iSup_eapprox_lintegral'

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

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

The doc-module for scripts/pr_summary/declarations_diff.sh contains some details about this script.


No changes to technical debt.

You can run this locally as

./scripts/reporting/technical-debt-metrics.sh pr_summary
  • The relative value is the weighted sum of the differences with weight given by the inverse of the current value of the statistic.
  • The absolute value is the relative value divided by the total sum of the inverses of the current values (i.e. the weighted average of the differences).

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Thanks!

bors d+

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mathlib-bors bot commented Apr 3, 2026

✌️ pitmonticone can now approve this pull request. To approve and merge a pull request, simply reply with bors r+. More detailed instructions are available here.

@mathlib-triage mathlib-triage bot added the delegated This pull request has been delegated to the PR author (or occasionally another non-maintainer). label Apr 3, 2026
…_lintegral'` and `lintegral_comp'`

Add ae-measurable generalizations of two Lebesgue integral lemmas:
- `lintegral_eq_iSup_eapprox_lintegral'` generalizes `lintegral_eq_iSup_eapprox_lintegral`
- `lintegral_comp'` generalizes `lintegral_comp`

Upstreamed from the [Carleson](https://github.com/fpvandoorn/carleson) project.

Co-authored-by: Leo Diedering <129694072+ldiedering@users.noreply.github.com>
Co-authored-by: James Sundstrom <James.Sundstrom@gmail.com>
@pitmonticone pitmonticone force-pushed the carleson/lintegral-ae-generalizations branch from 57317a5 to 09544af Compare April 3, 2026 10:21
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bors r+

mathlib-bors bot pushed a commit that referenced this pull request Apr 3, 2026
…_lintegral'` and `lintegral_comp'` (#37558)

Add ae-measurable generalizations of two Lebesgue integral lemmas:
- `lintegral_eq_iSup_eapprox_lintegral'` generalizes `lintegral_eq_iSup_eapprox_lintegral`
- `lintegral_comp'` generalizes `lintegral_comp`

Upstreamed from the [Carleson](https://github.com/fpvandoorn/carleson) project.

Co-authored-by: Leo Diedering <129694072+ldiedering@users.noreply.github.com>
Co-authored-by: James Sundstrom <James.Sundstrom@gmail.com>
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mathlib-bors bot commented Apr 3, 2026

Pull request successfully merged into master.

Build succeeded:

@mathlib-bors mathlib-bors bot changed the title feat(MeasureTheory/Integral/Lebesgue): add lintegral_eq_iSup_eapprox_lintegral' and lintegral_comp' [Merged by Bors] - feat(MeasureTheory/Integral/Lebesgue): add lintegral_eq_iSup_eapprox_lintegral' and lintegral_comp' Apr 3, 2026
@mathlib-bors mathlib-bors bot closed this Apr 3, 2026
xroblot pushed a commit to xroblot/mathlib4 that referenced this pull request Apr 3, 2026
…_lintegral'` and `lintegral_comp'` (leanprover-community#37558)

Add ae-measurable generalizations of two Lebesgue integral lemmas:
- `lintegral_eq_iSup_eapprox_lintegral'` generalizes `lintegral_eq_iSup_eapprox_lintegral`
- `lintegral_comp'` generalizes `lintegral_comp`

Upstreamed from the [Carleson](https://github.com/fpvandoorn/carleson) project.

Co-authored-by: Leo Diedering <129694072+ldiedering@users.noreply.github.com>
Co-authored-by: James Sundstrom <James.Sundstrom@gmail.com>
riccardobrasca pushed a commit to riccardobrasca/mathlib4 that referenced this pull request Apr 6, 2026
…_lintegral'` and `lintegral_comp'` (leanprover-community#37558)

Add ae-measurable generalizations of two Lebesgue integral lemmas:
- `lintegral_eq_iSup_eapprox_lintegral'` generalizes `lintegral_eq_iSup_eapprox_lintegral`
- `lintegral_comp'` generalizes `lintegral_comp`

Upstreamed from the [Carleson](https://github.com/fpvandoorn/carleson) project.

Co-authored-by: Leo Diedering <129694072+ldiedering@users.noreply.github.com>
Co-authored-by: James Sundstrom <James.Sundstrom@gmail.com>
fpvandoorn pushed a commit to fpvandoorn/carleson that referenced this pull request Apr 7, 2026
Update the upstreaming status comments for files that have been PRed to
mathlib:

- `Analysis/MeanInequalitiesPow`
leanprover-community/mathlib4#37547
- `Order/LiminfLimsup`
leanprover-community/mathlib4#37549 (merged)
- `Topology/Order/Basic`
leanprover-community/mathlib4#37550 (moved to
DenselyOrdered)
- `MeasureTheory/Integral/Average`
leanprover-community/mathlib4#37551
- `MeasureTheory/Measure/ENNReal`
leanprover-community/mathlib4#37552 (generalized
to `measurable_iSup_of_lowerSemicontinuous`)
- `MeasureTheory/Integral/Lebesgue`
leanprover-community/mathlib4#37558 (merged)
- `MeasureTheory/Function/LpSpace/Indicator`
leanprover-community/mathlib4#37559
- `MeasureTheory/Function/LpSpace/ContinuousFunctions`
leanprover-community/mathlib4#37560
- `Data/ENNReal`
leanprover-community/mathlib4#37565 (partial)
- `MeasureTheory/Integral/Bochner/ContinuousLinearMap`
leanprover-community/mathlib4#37568 (partial)
- `Topology/Instances/AddCircle/Defs`
leanprover-community/mathlib4#37570 (partial)
- `Discrete/SumEstimates`
leanprover-community/mathlib4#37597

Also notes that `IntegrableAtFilter.congr` and
`integrableOn_of_integrableOn_inter_support` already exist in mathlib.
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carleson part of the ongoing formalization of Carleson's theorem delegated This pull request has been delegated to the PR author (or occasionally another non-maintainer). easy < 20s of review time. See the lifecycle page for guidelines. t-measure-probability Measure theory / Probability theory

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3 participants