Operator Precedence/Boolean Logic
andreas.roehler at online.de
Thu Jun 23 04:32:20 EDT 2016
On 23.06.2016 10:17, Antoon Pardon wrote:
> Op 23-06-16 om 09:05 schreef Steven D'Aprano:
>> On Thursday 23 June 2016 16:34, Andreas Röhler wrote:
>>> Indeed, why should the result of 4 - 4 have a different truth-value than
>>> 4 - 3 ?
>> Because 4-4 is zero, which is "nothing", while 4-3 is one, which is
> No zero is not nothing. If zere is nothing and an empty list is nothing,
> I would expect zero to be an empty list or that they could be used interchangebly.
There is a fundamental diff between zero and emptiness.
Zero is just a relation in the realm of integers. It tells being in the
midst between positiv and negativ infinity.
Number one tells being one unit towards positiv infinity in relation to
negativ infinity. And so on.
Whilst emptiness tells about non-existence.
More information about the Python-list