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[Merged by Bors] - feat(data/set/basic): add set.subset_range_iff_exists_image_eq and set.range_image #14203

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@urkud urkud commented May 17, 2022

  • add set.subset_range_iff_exists_image_eq and set.range_image;
  • use the former to golf set.can_lift (name fixed from set.set.can_lift);
  • golf set.exists_eq_singleton_iff_nonempty_subsingleton.

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@urkud urkud added awaiting-review The author would like community review of the PR awaiting-CI The author would like to see what CI has to say before doing more work. labels May 17, 2022
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@github-actions github-actions bot removed the awaiting-CI The author would like to see what CI has to say before doing more work. label May 17, 2022
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bors merge

@github-actions github-actions bot added ready-to-merge All that is left is for bors to build and merge this PR. (Remember you need to say `bors r+`.) and removed awaiting-review The author would like community review of the PR labels May 18, 2022
bors bot pushed a commit that referenced this pull request May 18, 2022
…`set.range_image` (#14203)

* add `set.subset_range_iff_exists_image_eq` and `set.range_image`;
* use the former to golf `set.can_lift` (name fixed from `set.set.can_lift`);
* golf `set.exists_eq_singleton_iff_nonempty_subsingleton`.
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bors bot commented May 18, 2022

Pull request successfully merged into master.

Build succeeded:

@bors bors bot changed the title feat(data/set/basic): add set.subset_range_iff_exists_image_eq and set.range_image [Merged by Bors] - feat(data/set/basic): add set.subset_range_iff_exists_image_eq and set.range_image May 18, 2022
@bors bors bot closed this May 18, 2022
@bors bors bot deleted the YK-set-subset-range branch May 18, 2022 20:08
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