#13345: Test if the assumptions made by quotient rings are fulfilled
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Reporter: tfeulner | Owner: AlexGhitza
Type: defect | Status: new
Priority: major | Milestone: sage-5.3
Component: algebra | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers:
Authors: Thomas Feulner | Merged in:
Dependencies: 13347 | Stopgaps:
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Changes (by tfeulner):
* dependencies: => 13347
Comment:
Replying to [comment:5 mstreng]:
I removed the {{{DeprecationWarning}}} from sage/rings/quotient_ring.py as
you proposed and started a new ticket, see ticket:13347.
I suppose that the documentation of mod() in sage/structure/element.pyx
should also be modified:
''Return a '''unique''' representative for self modulo the ideal I
(or the ideal
generated by the elements of I if I is not an ideal.) '''I.e. it
is required that
x.mod(I) == y.mod(I) `\iff x-y \in I`, and
x-x.mod(I) in I, for all `x,y\in R`.''' ''
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13345#comment:6>
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