#16340: Infrastructure for modelling full subcategories
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Reporter: nthiery | Owner:
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-6.3
Component: categories | Resolution:
Keywords: full | Merged in:
subcategories, homset | Reviewers:
Authors: Nicolas M. Thiéry | Work issues:
Report Upstream: N/A | Commit:
Branch: | 2f2d09bec3a2e77021670d996abe2dd399fc63ec
u/nthiery/categories/full- | Stopgaps:
subcategories-16340 |
Dependencies: |
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Comment (by SimonKing):
Replying to [comment:9 nthiery]:
> Also, instead of an "is_..." method, we could name the method something
like `additional_structure` and have it return something possibly
meaningfull, like "*" for magmas or "+" for additive magmas, and None if
there is none.
Or, even more informative: Return a pair `(op, method)`, such that
- `op` is the operator (either as in `operator.contains`, `operator.mul`,
`operator.and`, or a parent/element method such as `an_element`), and
- `method` is an abstract parent/element method that has to be implemented
for `op` (i.e., `__contains__`, `_mul_`, or `_an_element`)
--
Ticket URL: <http://trac.sagemath.org/ticket/16340#comment:10>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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