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Re: [Coq-Club] Qed and Universes


chronological Thread 
  • From: Jonas Oberhauser <s9joober AT googlemail.com>
  • To: Gregory Malecha <gmalecha AT eecs.harvard.edu>
  • Cc: Coq Club <coq-club AT inria.fr>
  • Subject: Re: [Coq-Club] Qed and Universes
  • Date: Fri, 24 Feb 2012 21:56:18 +0100
  • Authentication-results: mr.google.com; spf=pass (google.com: domain of s9joober AT googlemail.com designates 10.50.155.202 as permitted sender) smtp.mail=s9joober AT googlemail.com; dkim=pass header.i=s9joober AT googlemail.com

Does the Qed say why it fails?
I am under the impression that universe constraints are not the only
term building constraints.

Kind regards, Jonas

2012/2/24 Gregory Malecha 
<gmalecha AT eecs.harvard.edu>:
> Hello,
>
> Is it possible for [Qed] to generate additional universe constraints? I'm
> working on a proof like this:
>
> Theorem ...
> Proof.
>   tactic.
>
>   Set Printing Universes.
>   Print Universes "universes".
> Qed.
>
> The final [Qed] fails, but when I look at the dump of the constraints in the
> universes file (the file can be found
> at: http://www.people.fas.harvard.edu/~gmalecha/universes), there is nothing
> inconsistent about them (I checked this using the yices smt solver). If it
> is possible for [Qed] to generate new constraints, is there any way to get
> the constraint set after it generates them so that I can find the cycle?
> (I'm experiencing this issue in 8.3pl2)
>
> Thank you.
>
> --
> gregory malecha
> http://www.people.fas.harvard.edu/~gmalecha/
>




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