Aristotle (384-322 B.C.) |
T (associated with "time") is a one-dimensional manifold with a Euclidean metric.
S (associated with "space") is a three-dimensional manifold with a Euclidean metric.
There is a natural projection from M into T. This is the notion of "absolute time".
There is a natural projection from M into S. This is the notion of "absolute space".