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[Coq-Club] Question about Coq universes


Chronological Thread 
  • From: richard Dapoigny <richard.dapoigny AT univ-smb.fr>
  • To: coq-club AT inria.fr
  • Subject: [Coq-Club] Question about Coq universes
  • Date: Wed, 22 Apr 2020 17:08:06 +0200
  • Authentication-results: mail2-smtp-roc.national.inria.fr; spf=None smtp.pra=richard.dapoigny AT univ-smb.fr; spf=Pass smtp.mailfrom=richard.dapoigny AT univ-smb.fr; spf=None smtp.helo=postmaster AT smtpout02-ext3.partage.renater.fr

Dear Coq Members,
We are using the Coq hierarchy of polymorphic universes which has been recently implemented by Sozeau.
We want to use it for subtyping and we expect it to be an implementation of Grothendieck universes, however it seems to be a total order. Therefore we cannot have a tree-like hierarchy.
However is it possible to ultimately have that structure?
Thanks for your answer,
Richard

--
Richard Dapoigny
Associate Professor - LISTIC Laboratory
University Savoie Mont-Blanc
5, chemin de Bellevue
Po. Box 80439
Annecy-le-Vieux 74940
FRANCE
https://www.listic.univ-smb.fr/en/presentation-en/members/lecturers/richard-dapoigny-en/

****** People who don't know history are condemned to repeat it. ******




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