On 9 November 2017 at 00:50, Kwankyu Lee <ekwan...@gmail.com> wrote:
> Hi,
>
> From a discussion last year, I know that creation of finite fields with
> generator names is different from without generator names. But still the
> following is counter-intuitive.
>
> sage: k=GF(4)
> sage: K=k.extension(3, name='a')
> sage: k.is_subring(K)
> False
> sage: L=k.extension(3)
> sage: k.is_subring(L)
> True
>
> Could this behavior be still justified?

Not in my view,

John

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