Updates:
Status: Duplicate
Mergedinto: 2254
Comment #1 on issue 1815 by ronan.l...@gmail.com: shift operator
http://code.google.com/p/sympy/issues/detail?id=1815
This has been partially fixed:
In [1]: S(4) & S(3)
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Status: Accepted
Owner: smichr
Labels: Type-Defect Priority-Medium
New issue 1815 by smichr: shift operator
http://code.google.com/p/sympy/issues/detail?id=1815
In discussion
http://groups.google.com/group/sympy/browse_thread/thread/214eaae150fc08a/e91b563a8ce01347?lnk=gst&q=shift+operator#e91b
