Electrical engineer at USC; author of Fuzzy Thinking; Nanotime.
"Do we or even can we know the joint multi-variable probability density function (f(x1, ... , xn)) that describes any realworld event?"
To arrive at the edge of the world's knowledge, seek out the most complex and sophisticated minds, put them in a room together, and have them ask each other the questions they are asking themselves.
"Do we or even can we know the joint multi-variable probability density function (f(x1, ... , xn)) that describes any realworld event?"