#11309: Sage sees -x +y > 0, -y + x >= 0, and x -y > 0 as equivalent
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Reporter: tnv | Owner: burcin
Type: defect | Status:
needs_work
Priority: major | Milestone:
sage-4.7.1
Component: symbolics | Keywords:
inequality equality relational sd31 __richcmp__
Work_issues: | Upstream: N/A
Reviewer: Karl-Dieter Crisman, ThanhVu Nguyen | Author: Keshav
Kini, Burcin Erocal
Merged: | Dependencies:
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Comment(by burcin):
Replying to [comment:31 tnv]:
> So all the above examples of whether if exp1 == exp2 should be easily
answered with SMT.
I'd really like to see Sage have it's own framework to handle assumptions
(see `assume?` -- this relies completely on maxima right now), so I'm
really interested in this. I'd be glad to help with the first steps of
making a package, writing an interface, etc. We should have this
conversation in sage-devel instead of this ticket though. ;)
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11309#comment:32>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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