> So I thank everybody very much for explanation. Mathematics has more hidden

Try: http://en.wikipedia.org/wiki/Peano_arithmetic for a nice introduction.

> beauties I will ever learn, and as I am not in a professional way dealing

> with Mathematics, I hope I will find out what, e.g., Peano Arithmetics, is.

> Best regrads

[snip]

>

> Michael

>

>

> ----- Original Message -----

--

Alan