#1163: [with patch, needs work] assume seems to have some undesired side-effects
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Reporter: zimmerma | Owner: gfurnish
Type: defect | Status: assigned
Priority: major | Milestone: sage-4.1.2
Component: calculus | Keywords:
Reviewer: | Author:
Merged: |
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Comment(by kcrisman):
Oh, and just for the record, continuing in the same session, where we
assumed x>0:
{{{
sage: bool(x>1)
False # right!
sage: bool(x>-1)
True # right!
}}}
So the problem really does seem to be the Ginac handling of !=, not
something else.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/1163#comment:13>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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