[isabelle-dev] Remaining uses of defer_recdef?
Gerwin.Klein at nicta.com.au
Wed Jun 10 00:07:00 CEST 2015
I can confirm that, at least that side is simple.
Tobias’ point about avoiding exponential blowup is important, though. Might still be too early to retire recdef entirely if it is substantially better for some kinds of definitions, esp if they are in use (I think the recdef in Simpl is one of these).
> On 09.06.2015, at 11:27, Thomas Sewell <thomas.sewell at nicta.com.au> wrote:
> I've had a quick scan over the NICTA repositories. It doesn't look like
> there are any live original uses of recdef. There are recdefs in a copy
> of Simpl-AFP, and in some backups of historical papers.
> Short summary, NICTA doesn't have any stakes in recdef.
> On 08/06/15 06:13, Makarius wrote:
>> On Sat, 6 Jun 2015, Gerwin Klein wrote:
>>>> On 06.06.2015, at 21:23, Makarius <makarius at sketis.net> wrote:
>>>> (2) 'defer_recdef' which is unused in the directly visible Isabelle
>>>> universe. So it could be deleted today.
>>>> This mailing list thread is an opportunity to point out dark matter
>>>> in the Isabelle universe, where 'defer_recdef' still occurs.
>>>> Otherwise I will remove it soon, lets say within 1-2 weeks.
>>> Unused in our part of the dark matter universe as well.
>> The thread has shifted over to actual 'recdef'. Are there remaining
>> uses of 'recdef' in the NICTA dark matter?
>> So far I always thought the remaining uses in HOL-Decision_Procs are
>> only a reminder that there are other important applications.
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