Hi… thanks, but it doesn’t work in HOL K11 final (where PAT_X_ASSUM is not defined):
---------------------------------------------------------------------
HOL-4 [Kananaskis 11 (expknl, built Tue Mar 07 09:23:36 2017)]
For introductory HOL help, type: help "hol";
To exit type <Control>-D
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> val PAT_X_ASSUM = if Globals.version < 12 then PAT_ASSUM else PAT_X_ASSUM;
poly: : error: Value or constructor (PAT_X_ASSUM) has not been declared
Found near if Globals.version < 12 then PAT_ASSUM else PAT_X_ASSUM
Static Errors
> Il giorno 25 mar 2017, alle ore 04:02, Ramana Kumar <ram...@member.fsf.org>
> ha scritto:
>
> One thing you could try is to use Globals.version, e.g.,
> val PAT_X_ASSUM = if Globals.version < 12 then PAT_ASSUM else PAT_X_ASSUM;
>
> On 25 March 2017 at 07:32, Chun Tian (binghe) <binghe.l...@gmail.com> wrote:
> Hi,
>
> Currently I’m doing several projects in HOL4, and fortunately Kananaskis-11
> was finally released early this month, and for now I only use K-11 final
> release and not chasing and rebuild HOL from Git master any more. On the
> other side, I finally learnt to use PAT_X_ASSUM to “pop” any assumption I
> want, just like a more flexible version of POP_ASSUM.
>
> My goal is to have my proof scripts being able to run in both K11 final
> release and current ongoing K12 versions, so when I need to “pop” an
> assumption, I always write it as PAT_X_ASSUM and having this line in all my
> *Script.sml files:
>
> (* This is for Kananaskis 11 only, remove it for K12. *)
> val PAT_X_ASSUM = PAT_ASSUM;
>
> The question is, at PolyML (and MosML) level, how to write code to re-define
> PAT_X_ASSUM only in K11 final release (and before)? Or there’s another
> better solution to this entire problem?
>
> Regards,
>
> Chun Tian
>
>
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