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[Merged by Bors] - feat: add lemmas about integrability of a nonnegative function#36877

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CoolRmal wants to merge 2 commits intoleanprover-community:masterfrom
CoolRmal:monononneg
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[Merged by Bors] - feat: add lemmas about integrability of a nonnegative function#36877
CoolRmal wants to merge 2 commits intoleanprover-community:masterfrom
CoolRmal:monononneg

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@CoolRmal
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@CoolRmal CoolRmal commented Mar 19, 2026

If a nonnegative function f is dominated by an integrable function g, then f is integrable.


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github-actions bot commented Mar 19, 2026

PR summary b16dd712b4

Import changes for modified files

Dependency changes

File Base Count Head Count Change
Mathlib.MeasureTheory.Function.L1Space.HasFiniteIntegral 1643 1644 +1 (+0.06%)
Import changes for all files
Files Import difference
Mathlib.MeasureTheory.Function.L1Space.HasFiniteIntegral 1

Declarations diff

+ HasFiniteIntegral.mono_nonneg
+ Integrable.mono_nonneg

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).

@github-actions github-actions bot added the t-measure-probability Measure theory / Probability theory label Mar 19, 2026
@RemyDegenne
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Thanks!
bors r+

@mathlib-triage mathlib-triage bot added the ready-to-merge This PR has been sent to bors. label Mar 21, 2026
mathlib-bors bot pushed a commit that referenced this pull request Mar 21, 2026
If a nonnegative function `f` is dominated by an integrable function `g`, then `f` is integrable.
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mathlib-bors bot commented Mar 21, 2026

This PR was included in a batch that was canceled, it will be automatically retried

mathlib-bors bot pushed a commit that referenced this pull request Mar 21, 2026
If a nonnegative function `f` is dominated by an integrable function `g`, then `f` is integrable.
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mathlib-bors bot commented Mar 21, 2026

Build failed (retrying...):

mathlib-bors bot pushed a commit that referenced this pull request Mar 21, 2026
If a nonnegative function `f` is dominated by an integrable function `g`, then `f` is integrable.
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mathlib-bors bot commented Mar 21, 2026

Build failed (retrying...):

mathlib-bors bot pushed a commit that referenced this pull request Mar 21, 2026
If a nonnegative function `f` is dominated by an integrable function `g`, then `f` is integrable.
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mathlib-bors bot commented Mar 21, 2026

Pull request successfully merged into master.

Build succeeded:

@mathlib-bors mathlib-bors bot changed the title feat: add lemmas about integrability of a nonnegative function [Merged by Bors] - feat: add lemmas about integrability of a nonnegative function Mar 21, 2026
@mathlib-bors mathlib-bors bot closed this Mar 21, 2026
@CoolRmal CoolRmal deleted the monononneg branch March 21, 2026 17:43
justus-springer pushed a commit to justus-springer/mathlib4 that referenced this pull request Mar 28, 2026
…rover-community#36877)

If a nonnegative function `f` is dominated by an integrable function `g`, then `f` is integrable.
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