#7315: Can only forget one GenericDeclaration at a time for some reason
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Reporter: kcrisman | Owner: burcin
Type: defect | Status: new
Priority: major | Milestone: sage-4.2.1
Component: calculus | Keywords:
Work_issues: | Author:
Reviewer: | Merged:
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From [ this thread]:
{{{
sage: var('m')
m
sage: var('n')
n
sage: assume(n, 'integer'); assume(m, 'integer')
sage: sin(n*pi).simplify()
0
sage: sin(m*pi).simplify()
0
sage: forget()
sage: sin(m*pi).simplify()
0
sage: sin(n*pi).simplify()
sin(pi*n)
}}}
The problem seems to lie in the last few lines of _forget_all in
sage.symbolic.assumptions.py, where for some reason the loop isn't doing
what it should.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7315>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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