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Re: [Coq-Club] how to prove false


Chronological Thread 
  • From: Matthieu Sozeau <mattam AT mattam.org>
  • To: "coq-club AT inria.fr" <coq-club AT inria.fr>
  • Subject: Re: [Coq-Club] how to prove false
  • Date: Wed, 25 Mar 2015 21:17:40 +0100

But it now is, in the v8.5 branch of Coq.

Le mercredi 25 mars 2015, Laurent Théry <Laurent.Thery AT inria.fr> a écrit :



Unfortunately you increase your trusted base when using vm_compute.
In this case, you hit one of the limitation of the byte-code machinery. It is just a pity
it was not checked by the command.



On 03/25/2015 06:30 PM, Jonathan Leivent wrote:


On 03/25/2015 12:55 PM, Laurent Théry wrote:

OK - I'm panicking a bit less...


Were you  using an inductive type with more than 255 constructors? ;-)


I didn't say what "a bit less" was relative to ;-)


Still, I was under the ever-so-slightly? mistaken impression that things are either outside (and hence checked by) the kernel, or, if in the kernel, are simple enough and scrutinized enough not to encounter such issues.

-- Jonathan




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