#17489: remove redundant factorial() from rings/arith.py
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Reporter: rws | Owner:
Type: defect | Status: needs_work
Priority: major | Milestone: sage-6.5
Component: symbolics | Resolution:
Keywords: | Merged in:
Authors: Ralf Stephan | Reviewers: Jeroen Demeyer
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/rws/remove_redundant_factorial___from_rings_arith_py|
3b54c755b2da09d40872276d0d95d941ddcdea66
Dependencies: | Stopgaps:
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Comment (by rws):
Replying to [comment:21 jdemeyer]:
> I don't like `ZZDomainFunction` (why `Domain`?), what do you think of
`IntegerFunction`? And the new file is certainly a very good idea.
"Given a function f:X→Y, the set X is the domain of f; the set Y is the
codomain of f." But `IntegerFunction` seems fine too. I guess I will have
to override `BuiltinFunction` methods somehow...
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Ticket URL: <http://trac.sagemath.org/ticket/17489#comment:22>
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