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[Merged by Bors] - feat(LocallyConvex/Bounded): add isVonNBounded_iff_tendsto_smallSets_nhds #10776

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@urkud urkud commented Feb 21, 2024

  • add absorbs_iff_eventually_nhds_zero,
    isVonNBounded_iff_tendsto_smallSets_nhds,
    and isVonNBounded_pi_iff;
  • generalize some lemmas from NormedField to NormedDivisionRing;
  • use new lemmas to golf 2 proofs

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…_nhds`

* add `absorbs_iff_eventually_nhds_zero`,
  `isVonNBounded_iff_tendsto_smallSets_nhds`,
  and `isVonNBounded_pi_iff`;
* generalize some lemmas from `NormedField` to `NormedDivisionRing`;
* use new lemmas to golf 2 proofs
@urkud urkud added awaiting-review The author would like community review of the PR t-topology Topological spaces, uniform spaces, metric spaces, filters t-analysis Analysis (normed *, calculus) labels Feb 21, 2024
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Thanks a lot, all this golfing is very nice!

bors d+

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mathlib-bors bot commented Mar 4, 2024

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

@leanprover-community-mathlib4-bot leanprover-community-mathlib4-bot added delegated and removed awaiting-review The author would like community review of the PR labels Mar 4, 2024
@urkud urkud added the auto-merge-after-CI Please do not add manually. Requests for a bot to merge automatically once CI is done. label Mar 5, 2024
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As this PR is labelled auto-merge-after-CI, we are now sending it to bors:

bors merge

mathlib-bors bot pushed a commit that referenced this pull request Mar 5, 2024
…_nhds` (#10776)

* add `absorbs_iff_eventually_nhds_zero`,
  `isVonNBounded_iff_tendsto_smallSets_nhds`,
  and `isVonNBounded_pi_iff`;
* generalize some lemmas from `NormedField` to `NormedDivisionRing`;
* use new lemmas to golf 2 proofs
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mathlib-bors bot commented Mar 5, 2024

Pull request successfully merged into master.

Build succeeded:

@mathlib-bors mathlib-bors bot changed the title feat(LocallyConvex/Bounded): add isVonNBounded_iff_tendsto_smallSets_nhds [Merged by Bors] - feat(LocallyConvex/Bounded): add isVonNBounded_iff_tendsto_smallSets_nhds Mar 5, 2024
@mathlib-bors mathlib-bors bot closed this Mar 5, 2024
@mathlib-bors mathlib-bors bot deleted the YK-bdd-image-golf branch March 5, 2024 07:02
kbuzzard pushed a commit that referenced this pull request Mar 12, 2024
…_nhds` (#10776)

* add `absorbs_iff_eventually_nhds_zero`,
  `isVonNBounded_iff_tendsto_smallSets_nhds`,
  and `isVonNBounded_pi_iff`;
* generalize some lemmas from `NormedField` to `NormedDivisionRing`;
* use new lemmas to golf 2 proofs
dagurtomas pushed a commit that referenced this pull request Mar 22, 2024
…_nhds` (#10776)

* add `absorbs_iff_eventually_nhds_zero`,
  `isVonNBounded_iff_tendsto_smallSets_nhds`,
  and `isVonNBounded_pi_iff`;
* generalize some lemmas from `NormedField` to `NormedDivisionRing`;
* use new lemmas to golf 2 proofs
utensil pushed a commit that referenced this pull request Mar 26, 2024
…_nhds` (#10776)

* add `absorbs_iff_eventually_nhds_zero`,
  `isVonNBounded_iff_tendsto_smallSets_nhds`,
  and `isVonNBounded_pi_iff`;
* generalize some lemmas from `NormedField` to `NormedDivisionRing`;
* use new lemmas to golf 2 proofs
Louddy pushed a commit that referenced this pull request Apr 15, 2024
…_nhds` (#10776)

* add `absorbs_iff_eventually_nhds_zero`,
  `isVonNBounded_iff_tendsto_smallSets_nhds`,
  and `isVonNBounded_pi_iff`;
* generalize some lemmas from `NormedField` to `NormedDivisionRing`;
* use new lemmas to golf 2 proofs
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3 participants