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Question: Wrong assumptions in singular(csc(z), z)

Question:Wrong assumptions in singular(csc(z), z)

_Maxim_ 724
singular discont
August 28 2017
2 
singular(csc(z), z);
                          {z = _Z1 Pi}
getassumptions(_Z1);
       {_Z1::(AndProp(integer, RealRange(1, infinity)))}

discont(csc(z), z);
                            {Pi _Z2}
getassumptions(_Z2);
                         {_Z2::integer}

 

I'm not sure why singular adds the condition _Z1>=1.

 
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