chore: bump mathlib to d52d26f, fix breaking changes - #694
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…ll subrelation (#30526) (2026-07-01)
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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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Bump
mathlibdependency 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
mathlibto 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.