Status of PEP's?

[Gerhard Häring]

Bengt Richter wrote in comp.lang.python:
> On Mon, 04 Mar 2002 19:59:03 -0800, David Eppstein <eppstein at ics.uci.edu> wrote:
> 
>>In article <7xwuwrofhk.fsf at ruckus.brouhaha.com>,
>> Paul Rubin <phr-n2002a at nightsong.com> wrote:
>>
>>> Usually the term "natural numbers" don't include zero.
>>> http://mathworld.wolfram.com/NaturalNumber.html
>>
>>I think "usually" is an exaggeration.  For instance, a better authority 
>>than Weisstein, Ebbinghaus et al's _Numbers_ (Springer Graduate Texts in 
>>Mathematics 123, 1991, p. 14) disagrees.
> 
> [...]
> FWIW again, Wordnet agrees also:
> [...]

Just adding to the noise:

gerhard at lilith:~$ dict "natural number"
2 definitions found

>From WordNet (r) 1.7 [wn]:

  natural number
       n : the number 1 and any other number obtained by adding 1 to it
           repeatedly

>From The Free On-line Dictionary of Computing (09 FEB 02) [foldoc]:

  natural number

     <mathematics> An {integer} greater than or equal to zero.  A
     natural number is an {isomorphism class} of a finite set.

     (1995-03-25)

At Uni, my two maths profs disagreed, too.

Gerhard
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reduce(lambda x,y:x+y,map(lambda x:chr(ord(x)^42),tuple('zS^BED\nX_FOY\x0b')))