I guess it's highly multidimensional, so you cannot really compare it to a real number. But assuming that it is normed, you can say |d(world)/dt| > 0. Or at l

I guess it's highly multidimensional, so you cannot really compare it to a real number. But assuming that it is normed, you can say |d(world)/dt| > 0. Or at least you can say d(world)/dt ≠ 0. And I guess you are right there. Or maybe, if the norm is something like "goodness", we hopefully can say d(|world|)/dt > 0.