0^0 is perfectly defined (and not by a convention)! a^b with both a and
b non-negative integers is the cardinality of the functions B -> A where
A and B have respectively cardinalities a and b. Note that this set is
sometimes denoted A^B. The question then becomes how many functions
there are from the empty set to itself?
Vincent
On 26/08/2017 16:06, 'Julien Puydt' via sage-devel wrote:
Hi,
Le 26/08/2017 à 22:57, Dr. David Kirkby (Kirkby Microwave Ltd) a écrit :
I'm not a mathematician, but believe 0^0 is undefined.
You can either consider 0^0 to be undefined or that it is 1 by
convention : both are "correct", and neither should be considered a bug.
Snark on #debian-science
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