I came across the following
{{{
R.<x> = ZZ[]
S.<t> = R.quo(x^2+5)
S in IntegralDomains()
False
}}}
and even simpler
{{{
R=Zmod(5)
R in IntegralDomains()
False
}}}
This is related to
https://groups.google.com/forum/#!topic/sage-algebra/6C3XkkLfllw
but I couldn't find what ticket it is associated with. I know Sage is
trying to move away from tests like is_integral_domain() to tests like in
IntegralDomains, but those examples are both wrong. Is there some issue
with getting those to work?
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