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Commits on Oct 4, 2025

• chore(SpecialFunctions/Pow/Real): adjust intCast lemma to use int (#30172)

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Commits on Aug 21, 2025

• feat(MetricSpace/Closeds): set of nonempty compacts below a closed set is closed (#28705)

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Commits on Aug 16, 2025

• feat(Analysis/Convex): doubly stochastic matrices have operator norm at most one (#28453)

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Commits on Jul 26, 2025

• chore(Data/List): remove 9 month old deprecations (#27518)

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Commits on Jul 11, 2025

• chore(Combinatorics/Additive/Energy): review API (#26832)

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Commits on Jul 8, 2025

• chore(Data/Set/Card): adjust naming and simp set (#26791)

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• feat(Data/Sym/Sym2): construct set of unordered pairs (#26649)

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Commits on Jul 6, 2025

• feat(Data/Sym/Sym2): addition as a function from sym2 (#26830)

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Commits on Jul 5, 2025

• chore(Topology/LiminfLimsup): split out non-algebraic content from Topology/Algebra file (#26560)

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Commits on Jul 4, 2025

• chore(Finset/Card): cleanup section and improve documentation (#26373)

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Commits on Jul 3, 2025

• chore(Combinatorics/Additive): generalise the doubling difference inequality (#26637)

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• feat(Combinatorics/Additive): trivial bounds on doubling constant (#26636)

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Commits on Jul 1, 2025

• feat(ENNReal): add div_div_cancel (#26557)

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• chore(Set/Finite): fix broken link (#26554)

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Commits on Jun 30, 2025

• feat(MetricSpace/Thickening): characterise when the thickening is nonempty (#26559)

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• chore(Normed/Lp): convenience lemmas for the square of the l2 norm (#26553)

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Commits on Jun 26, 2025

• feat(Pow/Real): add rpow_ofNat (#26364)

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Commits on Jun 25, 2025

• feat(Set/Monotone): convenience special cases for monotonicity on insert (#26369)

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Commits on Jun 18, 2025

• chore(Submodule): deprecate a duplicated lemma (#26116)

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• feat(Pointwise): cardinality of product set in GroupWithZero (#24578)

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Commits on Jun 9, 2025

• feat(SpecialFunctions/Log): more continuity and limits for logb (#18912)

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• feat(Finset/SymmDiff): add additional api lemmas (#25553)

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Commits on Jun 8, 2025

• feat(SetTheory/Cardinal): relate nonemptiness of a set to its cardinality (#25576)

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Commits on Jun 7, 2025

• chore(Nat): deprecate lemmas which are now in core (#25494)

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• feat(Finset/Card): relate cardinality of `s \ t` with `t \ s` (#25554)

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Commits on Jun 6, 2025

• fix(Linter): mark `linear_combination` as allowed after a flexible tactic (#25440)

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• feat(Finset): minimum is at most maximum (#25463)

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• doc(Analytic): modify crossrefs to work as hyperlinks (#25492)

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Commits on Jun 3, 2025

• feat(Topology/Compactness): intersection of closed sets is nonempty in a compact space (#25377)

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• feat(Topology/RestrictedProduct): continuity of maps from finite product of restricted product (#25349)

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Commits on Jun 1, 2025

• feat(RingTheory/Radical): generalise and fill in TODOs (#25335)

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Commits on May 29, 2025

• chore(Order): generalise lemma to `ciSup` (#25300)

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• feat(Order): add gcongr lemmas for Prod.mk (#25301)

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Commits on May 1, 2025

• feat(Order/Cover): characterise covering in Pi types (#22929)

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Commits on Apr 18, 2025

• chore(Algebra/GCDMonoid): generalize gcd_ne_zero_of_ lemmas (#24181)

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