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feat(order/heyting/regular): Heyting-regular elements

Open YaelDillies opened this issue 3 years ago • 1 comments

Define Heyting-regular elements of an Heyting lattice, namely those a such that aᶜᶜ = a, and prove that they form a boolean algebra.


  • [ ] depends on: #15305

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YaelDillies avatar Aug 12 '22 18:08 YaelDillies

This PR/issue depends on:

  • ~~leanprover-community/mathlib#15305~~ By Dependent Issues (🤖). Happy coding!

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

bors[bot] avatar Aug 29 '22 12:08 bors[bot]

Or even,

bors r+

Vierkantor avatar Aug 29 '22 12:08 Vierkantor

Pull request successfully merged into master.

Build succeeded:

bors[bot] avatar Aug 29 '22 16:08 bors[bot]