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Re: [ssreflect] Dependent variant of case/boolP?


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  • From: Enrico Tassi <>
  • To:
  • Subject: Re: [ssreflect] Dependent variant of case/boolP?
  • Date: Wed, 11 Jun 2014 17:08:43 +0200

On Wed, Jun 11, 2014 at 02:27:36PM +0100, Jason Gross wrote:
> Thanks.
>
> Georges has told me that another way to do this is case/(@id bool), which I
> think is what I'll stick with for now.

Well, it does a different thing. boolP gives you extra "b" and "~~ b"
hypotheses in the branches, while case/(@id bool) should do the same as
the defective version of case Assia was suggesting (but for asserting
that you are eliminating a boolean that you may or may not want).

Ciao
--
Enrico Tassi



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