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[Merged by Bors] - feat(data/list/perm): binding all the sublists of a given length gives all the sublists #15834

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@eric-wieser eric-wieser commented Aug 3, 2022

This is essentially the defining relation between sublists' and sublists_len.

This also adds a few other trivial lemmas about sublists_len.


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@eric-wieser eric-wieser added the awaiting-review The author would like community review of the PR label Aug 3, 2022
xroblot added a commit that referenced this pull request Aug 4, 2022
@eric-wieser eric-wieser added the t-combinatorics Combinatorics label Aug 4, 2022
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Thanks!

bors d+

src/data/list/perm.lean Outdated Show resolved Hide resolved
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bors bot commented Aug 9, 2022

✌️ eric-wieser 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-bot-assistant leanprover-community-bot-assistant added delegated The PR author may merge after reviewing final suggestions. and removed awaiting-review The author would like community review of the PR labels Aug 9, 2022
Co-authored-by: Oliver Nash <github@olivernash.org>
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bors merge

@leanprover-community-bot-assistant leanprover-community-bot-assistant added the ready-to-merge All that is left is for bors to build and merge this PR. (Remember you need to say `bors r+`.) label Aug 9, 2022
bors bot pushed a commit that referenced this pull request Aug 9, 2022
…s all the sublists (#15834)

This is essentially the defining relation between `sublists'` and `sublists_len`.

This also adds a few other trivial lemmas about `sublists_len`.
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bors bot commented Aug 9, 2022

Build failed (retrying...):

bors bot pushed a commit that referenced this pull request Aug 9, 2022
…s all the sublists (#15834)

This is essentially the defining relation between `sublists'` and `sublists_len`.

This also adds a few other trivial lemmas about `sublists_len`.
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bors bot commented Aug 9, 2022

Pull request successfully merged into master.

Build succeeded:

@bors bors bot changed the title feat(data/list/perm): binding all the sublists of a given length gives all the sublists [Merged by Bors] - feat(data/list/perm): binding all the sublists of a given length gives all the sublists Aug 9, 2022
@bors bors bot closed this Aug 9, 2022
@bors bors bot deleted the eric-wieser/sublists_len_join branch August 9, 2022 17:00
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