> 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.
Cheers,
Florian
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