Clip

Causal Invariance and the Single Thread of Time
listen on SpotifyListen on Youtube
1:07:45 - 1:10:48 (03:02)

Certain kinds of microscopic rewrite rules cause the causal network to be independent of the microscopic order of rewritings, which is essentially equivalent to a change of reference frame, and shows the property of causal invariance that implies a single thread of time in the universe.

Similar Clips