On 1 Feb., 09:59, "christian.bau" <christian....@cbau.wanadoo.co.uk> wrote: > On Feb 1, 8:51 am, JT <jonas.thornv...@gmail.com> wrote: > > > > > Well just my few thoughts around numbers. > > Go to your bathroom. > Count how many elephants there are. > How many? The answer is zero. > > If you watch an elephant leaving your bathroom, how many elephants are > in the bathroom then? > There were none, then one left, so now there are minus one elephants > in your bathroom.