Two entities whatsoever existing in disjoint time-spans. This is useful for temporal precedence involving non-temporalized entities.
(=> (Antedates ?A ?B)
(Exists (?Z ?W)
(And (Time-Span ?Z)
(Time-Span ?W)
(Temporally-Contains ?Z ?A)
(Temporally-Contains ?W ?B)
(Precedes ?Z ?W))))