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Modeling set theory in cubical agda #397

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WorldSEnder opened this issue Aug 8, 2020 · 2 comments
Closed

Modeling set theory in cubical agda #397

WorldSEnder opened this issue Aug 8, 2020 · 2 comments

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@WorldSEnder
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I have a personal project building a model of set theory in agda, following the HoTT book chapter 10.5. The current status is just a gist lying around. Are you interested in a pull request? If so, what would be the best way to structure this to fit into the cubical library (none of the top-level directories seem applicable)? Also note that at one point I make use of the {-# TERMINATING #-} pragma, I'm not so sure how to get rid of that.
@mortberg
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Nice! I would be happy to see a PR. Just put the file wherever you think is most appropriate and we can discuss where to put it in the PR.

I guess your V is an example of a higher inductive recursive type?

@mortberg
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Closing this now as it's already in a PR

mortberg added a commit that referenced this issue May 2, 2022
@WorldSEnder @ecavallo @mortberg
Re: #397 Modeling set theory (#402)
33a3e0e 
* first port to standard library

* getting rid of TERMINATING, now --safe

* moved last helper

* fix typos

* deduplicate isProp→isContrPathP

* split cumulative hierarchy

* fix line lengths

* simplifying isPropMonicPresentation

* fixup from library changes

* update to cubical master

* Update Properties.agda

Co-authored-by: ecavallo <ecavallo@cs.cmu.edu>
Co-authored-by: Anders Mörtberg <andersmortberg@gmail.com>
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@mortberg @WorldSEnder