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Support for universe polymorphism #281

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jonsterling opened this issue Dec 13, 2021 · 4 comments
Open

Support for universe polymorphism #281

jonsterling opened this issue Dec 13, 2021 · 4 comments
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hard difficulty needs: Rocq feature

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@jonsterling
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It would be game-changing to support universe polymorphism. Right now I have a class of large categories, and this is enough for me at the moment, but I would be able to do things so much nicer if I could also speak of small categories without duplicating everything. I realize this is probably quite complex engineering-wise.
@gares
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gares commented Dec 13, 2021

in progress... @ecranceMERCE is helping, we will get there. tracker:
LPCIC/coq-elpi#315

@damien-pous
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Any news on this front?

HB.mixin breaks syntactically if I "Set Universe Polymorphism", and it says "Attribute universes.polymorphic is not supported" if I start the declaration with "#[universes(polymorphic=yes)]".

@gares
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gares commented Jul 29, 2023

Well, we started but it far from being done.
I suggest you Unset universe checking in the meanwhile.

@CohenCyril
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Waiting on coq/coq#19537

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@jonsterling @CohenCyril @gares @damien-pous