送交者: Dishui 于 2005-6-20, 18:17:17:
回答: okay, I'll try again: 由 steven 于 2005-6-20, 17:39:36:
certainly properties naturally exist. "
This appearently is not true for modern mathematics.
Mathematics is a way to build bridge from one piece
of kowledge to another, naturally exists or not
. Follow some rule, you can prove if a bridge is there.