#5383: isinstance(PrincipalIdealDomain) should be replaced with a method
.is_principal_ideal_domain()
----------------------------+-----------------------------------------------
Reporter: ncalexan | Owner: was
Type: defect | Status: new
Priority: major | Milestone: sage-3.4
Component: linear algebra | Keywords: principal ideal domain span free
module isinstance
----------------------------+-----------------------------------------------
Comment(by ncalexan):
I realize now, of course, that QQ['x', 'y'] is not a PID... but I still
think our type dependent implementation is not good :)
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/5383#comment:1>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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