Abstract

It can scarcely be said to be a self-contradictory property to be in two places at the same time any more than for an object to be at two times in the same place. The perplexities of the quantum theory of energy sometimes seem to suggest that the possibility ought not to be overlooked; …A. S. Eddington, Space, Time and Gravitation, Cambridge, 1920There are three elements involved in physical time. The most primitive of the three is the fact of extension in time. We express this fact by saying that things “endure” in time, or by saying that the universe is not an event of one moment only. Extension in time is such a fundamental and pervasive element of our experience, that we can hardly define it other than by denotatively indicating it. Time extension is basic to the other two elements of time.