The Oneness of Reality: Monist Philosophy and Quantum Physics.
The Feynman path integral is a powerful formula in physics that predicts the behavior of any quantum system. It suggests that reality is a sum of all imaginable possibilities, but physicists have spent decades developing approximation schemes for constructing and computing the integral for different quantum systems. Physicists are now pursuing the ultimate path integral that blends all conceivable shapes of space and time and produces a universe shaped like ours as the net result. However, they face deep confusion about which possibilities should enter the sum.