William Feller Quote

To every event defined for the original random walk there corresponds an event of equal probability in the dual random walk, and in this way almost every probability relation has its dual.

Chapter III, Fluctuations In Coin Tossing And Random Walks, p. 92. - An Introduction To Probability Theory And Its Applications (Third Edition)

To every event defined for the original random walk there corresponds an event of equal probability in the dual random walk, and in this way almost...

To every event defined for the original random walk there corresponds an event of equal probability in the dual random walk, and in this way almost...

To every event defined for the original random walk there corresponds an event of equal probability in the dual random walk, and in this way almost...

To every event defined for the original random walk there corresponds an event of equal probability in the dual random walk, and in this way almost...