#16616: assumption inconsistency check inconsistent
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Reporter: rws | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-6.3
Component: symbolics | Resolution:
Keywords: | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Comment (by nbruin):
upstream (maxima):
{{{
(%i1) declare(x,odd);
(%o1) done
(%i2) declare(x,even);
declare: inconsistent declaration declare(x,even)
-- an error. To debug this try: debugmode(true);
(%i3) declare(x,integer);
(%o3) done
(%i4) declare(x,irrational);
(%o4) done
}}}
proving full (relative) consistency of assumptions in maxima lies well
beyond maxima's scope and capabilities, and probably every computer
algebra system, so I don't think it's worth reporting upstream.
--
Ticket URL: <http://trac.sagemath.org/ticket/16616#comment:1>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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