> In article <_9qdnbY6rMCzjdfXnZ2dnUVZ8tZi4p2d@bt.com>, > firstname.lastname@example.org says... >> Dik T. Winter said: >> >> > In article >> > <email@example.com> >> > Musatov <firstname.lastname@example.org> writes: ... >> >> <snip> >> >> > > Shown: >> > > 2*4+1=9+2=11 prime >> > > 2*24+1=49+2=51 prime >> > >> > Since when is 51 prime? >> >> It's odd, right? And primes (ignoring 2, which is clearly >> experimental error) are odd, right? Therefore, 51 is prime, QED. >> > Come now Richard, you have to ignore 3 and 17 as well to prove > that 51 is prime.
That would have been a different jest. Mine was more along the lines of "all cats are animals, this dog is an animal, therefore this dog is a cat".