Assumption that n is positive integer
I wrote
assume(n, 'integer')
assume(n>0)
assumptions()
Sage gave back
[n is integer, n > 0]
Yet the command
n.is_integer()
returned false. Also, the assumptions were not used in later computations. For example
gamma(-n)
did not return infinity.
Take a look at this question: http://ask.sagemath.org/question/9465...