Looney Labs Icehouse Mailing list Archive

Re: [Icehouse] Zendo rules

  • From"Daniel W. Johnson" <panoptes@xxxxxxxxxx>
  • DateMon, 9 Mar 2009 00:38:35 -0400
At 00:21 -0500 2009-03-09, Jeff Wolfe wrote:
During the same session, we also discussed the possibility of having rules
referencing prime numbers, and whether one is a prime.

I once created a rule that ended up harder than I expected because a student thought that zero was odd.

  I have in the past
had arguments over the primality of the number one (while playing Zendo), so
I now carry around a printout of the following web page:


My friends were amused when I brought it out.  I'm not sure what it means
that my geeky friends seem to think I'm too geeky.

I would put the explanation as this: If you are going to do anything with primes other than ask "Is this number a prime?", one "definition" leads to extensive use of the phrase "prime other than one". It's much easier to just go with the other definition from the start.
Daniel W. Johnson
039 53 36 N / 086 11 55 W

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