As with the first Theory of Relativity and the Sadhimist One Commandment, so the nine equations of probability math provide an example of a deceptively simple spark initiating a great explosion of social change.

Probability math predicts the future. So says the half-educated man. A thousand years ago he would have mouthed "E equals MC squared" and believed he had encompassed the soaring castle of mathematical imagination...

As Sub-Lunar pointed out in those early years, p-math depended on a certain innate mental agility. Many superb practitioners were also incurably insane, possibly because of that very fact.