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- From: Georgi Guninski <guninski AT guninski.com>
- To: Jean-Francois Monin <jean-francois.monin AT imag.fr>
- Cc: coq-club AT inria.fr
- Subject: Re: [Coq-Club] Please make coqtop and coqide not lie "Proof completed"
- Date: Wed, 25 May 2011 18:09:14 +0300
- Header: best read with a sniffer
thank you.
sorry.
On Wed, May 25, 2011 at 10:51:29PM +0800, Jean-Francois Monin wrote:
> This is a well-known feature. "Proof completed" just means that you
> don't have subgals left, but says nothing about guardedness.
> Usual tactics don't raise this issue, but fix does.
> BTW this tactics is not documented, for some reason...
>
> This is just like writing
>
> Fixpoint l3 (H: CC) : False := l3 H.
>
> So if you happen to try it, you must know what you are doing and not
> complain.
>
> JF
>
> On Wed, May 25, 2011 at 05:34:16PM +0300, Georgi Guninski wrote:
> > coqtop gives misleading message:
> > u
> > Inductive CC : Prop := C1: (exists B : Prop,CC)->CC | C2 : True->CC.
> > Lemma l3: CC->False.
> > Proof.
> > fix 1.
> > intros.
> > exact (l3 H).
> > Qed.
> > l3 < Proof completed.
> > ^ the above is a lie :)
> >
> > thank you.
- [Coq-Club] Please make coqtop and coqide not lie "Proof completed", Georgi Guninski
- Re: [Coq-Club] Please make coqtop and coqide not lie "Proof completed",
Jean-Francois Monin
- Re: [Coq-Club] Please make coqtop and coqide not lie "Proof completed", Georgi Guninski
- Re: [Coq-Club] Please make coqtop and coqide not lie "Proof completed", herbelin
- Re: [Coq-Club] Please make coqtop and coqide not lie "Proof completed",
Jean-Francois Monin
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