Spencer Heath Archive

Item 2095

Pencil note in Percy W. Bridgman, The Nature of Physical Theory (New York, Dover Publications, 1936), page 123.

Original is missing.

/”We have seen that the unanalyzable probability which wave mechanics introduces as elementary can be a property only of the mathematical model, because the concept of probability is logically never applicable to a concrete physical system.” (Emphasis by Heath)/

In retrospect the action is a certainty. Probability is a matter of how we look at it beforehand.