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chore: bump mathlib to d52d26f, fix breaking changes - #694

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bump-mathlib/fix-d52d26f
Jul 2, 2026
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chore: bump mathlib to d52d26f, fix breaking changes#694
chenson2018 merged 3 commits into
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bump-mathlib/fix-d52d26f

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Bump mathlib dependency to d52d26f: chore(Logic/Relation): use to spell subrelation (#30526) (2026-07-01)
Previously at: 29af524: chore: adaptation for batteries#1864 and batteries#1866 (#40821) (2026-06-21)

Closes #693

Failure log from the validation run: download (link expires after 1 year)


This PR bumps mathlib to an identified incompatible (first-known-bad) commit (d52d26f) so you can reproduce and fix the incompatibility locally by checking out this branch.

Opened automatically by downstream-reports/track-incompatibility via this workflow run.

@mathlib-nightly-testing mathlib-nightly-testing Bot added the dependency-incompatibility-fix Fix PR for a dependency incompatibility, opened by downstream-reports label Jul 1, 2026
@mathlib-nightly-testing mathlib-nightly-testing Bot added the dependency-incompatibility-fix Fix PR for a dependency incompatibility, opened by downstream-reports label Jul 1, 2026
@chenson2018
chenson2018 added this pull request to the merge queue Jul 2, 2026
Merged via the queue into main with commit 5c41dcf Jul 2, 2026
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intgrah pushed a commit to intgrah/cslib that referenced this pull request Jul 14, 2026
Bump `mathlib` dependency to
[d52d26f](leanprover-community/mathlib4@d52d26f):
chore(Logic/Relation): use `≤` to spell subrelation (#30526)
(2026-07-01)
Previously at:
[29af524](leanprover-community/mathlib4@29af524):
chore: adaptation for batteries#1864 and batteries#1866 (#40821)
(2026-06-21)

Closes leanprover#693

Failure log from the validation run:
[download](https://github.com/leanprover-community/downstream-reports/actions/runs/28530264197/artifacts/8015922463)
_(link expires after 1 year)_

---

This PR bumps `mathlib` to an identified incompatible (first-known-bad)
commit (`d52d26f`) so you can reproduce and fix the incompatibility
locally by checking out this branch.

_Opened automatically by
[downstream-reports/track-incompatibility](https://github.com/leanprover-community/downstream-reports)
via [this workflow
run](https://github.com/leanprover/cslib/actions/runs/28546158135)._

---------

Co-authored-by: mathlib-nightly-testing[bot] <mathlib-nightly-testing[bot]@users.noreply.github.com>
Co-authored-by: Chris Henson <chrishenson.net@gmail.com>
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Bumping mathlib to d52d26f would break the build

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