[isabelle-dev] HOL-Computational_Algebra and Polynomial_Factorial

Florian Haftmann florian.haftmann at informatik.tu-muenchen.de
Thu Aug 31 13:35:10 CEST 2017

> Is it intentional that the "Computational_Algebra" theory does not
> import "Polynomial_Factorial"?

Yes.  Polynomial_Factorial requires Field_as_Ring, which does a
substantial modification to the type class hierarchy, pulling it apart
from long-established traditions in HOL-Main.  I have been reluctant to
enforce this on any material derived from the session entry point.



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