[Agda] Blog post: The Agda's New Sorts

[Thorsten Altenkirch]

Hi jesper,

I appreciate your efforts to make universes more flexible and maybe capture other notions of universe than the ones given by size. However, I have another issue with the current mechanism (which I actually proposed many years ago). I don't like that all definitions are cluttered with these pesky level annotations. When teaching an introductory course I don't really want to talk about levels but on the other hand I would like to use the definitions from the standard library and not my own simplified versions. However, whenever I show a library definition I have to instruct them to ignore all those levels for the time being.

Is there a way out of this dilemma? Coq only does fully automatic indexing but there are many situation where this is not what you want. Is there a way to infer levels and automatically add level annotations but be still able to do the explicitly if you want (or need) to?

Cheers,
Thorsten

From: Agda <agda-bounces at lists.chalmers.se<mailto:agda-bounces at lists.chalmers.se>> on behalf of Jesper Cockx <Jesper at sikanda.be<mailto:Jesper at sikanda.be>>
Date: Friday, 4 May 2018 at 09:45
To: agda list <agda at lists.chalmers.se<mailto:agda at lists.chalmers.se>>
Subject: [Agda] Blog post: The Agda's New Sorts

Hi all,

Yesterday I posted a blog post on the recent work I did on Agda's handling of sorts. You can read it here: https://jesper.sikanda.be/posts/agdas-new-sorts.html

Any comments are very welcome here on this list!

Cheers,
Jesper



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