[isabelle-dev] HOL/Computational_Algebra/Polynomial.thy

Lawrence Paulson lp15 at cam.ac.uk
Fri Jun 29 15:02:46 CEST 2018

Okay, I have replaced it by Complex_Main. In fact derivatives are only needed in a couple of places.

> On 28 Jun 2018, at 17:03, Florian Haftmann <florian.haftmann at informatik.tu-muenchen.de> wrote:
>> Is it right for this theory to base itself on HOL.Deriv rather than Complex_Main?
>> Larry
>> section ‹Polynomials as type over a ring structure›
>> theory Polynomial
>> imports
>>  HOL.Deriv
>>  "HOL-Library.More_List"
>>  "HOL-Library.Infinite_Set"
>>  Factorial_Ring
>> begin
> I don't think so, especially the combination of theories from
> HOL-Library with a non-canonical theory entry is weird.
> I am unable to tell on the spot how this has emerged.  Are there any
> suspicious things when HOL.Deriv is replaces by Complex_Main?
> I guess that theory uses some analytical results and hence cannot build
> on Main alone.

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://mailman46.in.tum.de/pipermail/isabelle-dev/attachments/20180629/efb0fc0a/attachment-0002.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 833 bytes
Desc: Message signed with OpenPGP
URL: <https://mailman46.in.tum.de/pipermail/isabelle-dev/attachments/20180629/efb0fc0a/attachment.sig>

More information about the isabelle-dev mailing list