#19555: Implement a containment for cartesian_product
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Reporter: tscrim | Owner: sage-combinat
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-6.10
Component: combinatorics | Resolution:
Keywords: | Merged in:
Authors: Travis Scrimshaw | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
public/sets/contains_cartesian_product-19555|
f1d029a3a3518265f1f88c2438bbc9b00c7ecd36
Dependencies: | Stopgaps:
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Changes (by tscrim):
* status: needs_work => needs_review
Comment:
With regards to comment:9, we don't want them to be tuples because we want
all of the category information to be inherited, e.g.
{{{
sage: C = cartesian_product([ZZ, ZZ])
sage: x = C.an_element()
sage: x
(1, 1)
sage: x.is_one()
True
}}}
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Ticket URL: <http://trac.sagemath.org/ticket/19555#comment:16>
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