Martin Rubey <martin.ru...@math.uni-hannover.de> writes:
>> Are you writing at length about 0^0 only by analogy to give an example
>> of a function F(x) such that the value of F depends on the parent (or
>> type) of x such that applying F does not commute with some natural
>> inclusion of sets?
>
> Exactly. Sorry for being lengthier than necessary, I guess I was
> pointing out something banal.
Oh dear, I just realised I missed the main point:
(1) -> binomial(-7,1)$EXPR INT
(1) - 7
Type: Expression(Integer)
(2) -> binomial(-7,1)
(2) 0
Type: NonNegativeInteger
Sorry,
Martin
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