Now I'm digging into the life of George Boole, Alan Turing etc all those early computer designers - and how fanatic and possessive those Western mathematicians are. You are all alike...sick... When problems are diverse and embedded in many intercrossing contexts - west thinks 'there should be one big solution!' No men, life sucks, it's hard, we just roll and roll. Then following site would help you out when your son/daughter comes to ask you - 'Daddy, what is neural network?' without strangling your lovely child and dump her/him in neighbor's backyard dog's stomach. http://www.howstuffworks.com/ A.