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inconsistent refinement behavior


The following behavior appears to be inconsistent:

In:	Assuming[x==0, Refine[Infinity/x]]
Out:	ComplexInfinity

In:	Assuming[x>0, Refine[Infinity/x]]
Out:	Infinity

In:	Assuming[x>=0, Refine[Infinity/x]]
Out:	Infinity

The third example should return unrefined given the first two examples. Is 
there an explanation?

Alex



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