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[Merged by Bors] - chore(order/filter/*): use [nonempty _] instead of (_ : nonempty _) #3526

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@urkud urkud commented Jul 23, 2020

In most cases Lean can find an instance automatically.


This way we can use facts about `filter.has_basis` in `filter.at_top`.

Also generalize `is_countably_generated_at_top_finset_nat`
to `at_top` filter on any `encodable` type.
In most cases Lean can find an instance automatically.
@urkud urkud added the blocked-by-other-PR This PR depends on another PR which is still in the queue. A bot manages this label via PR comment. label Jul 23, 2020
@gebner gebner removed the blocked-by-other-PR This PR depends on another PR which is still in the queue. A bot manages this label via PR comment. label Jul 23, 2020
@gebner gebner changed the title chore(order/filter/*): use [nonempty _] instead of (_ : nonempty _) deps: 3523 chore(order/filter/*): use [nonempty _] instead of (_ : nonempty _) Jul 23, 2020
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Can you merge master, to let us see what is really added by this PR?

@robertylewis robertylewis added the awaiting-author A reviewer has asked the author a question or requested changes label Jul 23, 2020
@urkud urkud added awaiting-review The author would like community review of the PR and removed awaiting-author A reviewer has asked the author a question or requested changes labels Jul 23, 2020
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urkud commented Jul 23, 2020

Can you merge master, to let us see what is really added by this PR?

Done.

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bors r+

@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 Jul 23, 2020
bors bot pushed a commit that referenced this pull request Jul 23, 2020
…)` (#3526)

In most cases Lean can find an instance automatically.
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bors bot commented Jul 23, 2020

Pull request successfully merged into master.

Build succeeded:

@bors bors bot changed the title chore(order/filter/*): use [nonempty _] instead of (_ : nonempty _) [Merged by Bors] - chore(order/filter/*): use [nonempty _] instead of (_ : nonempty _) Jul 23, 2020
@bors bors bot closed this Jul 23, 2020
@bors bors bot deleted the nonempty-instance branch July 23, 2020 14:56
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4 participants