Various attempts have been
made to place convexity in an axiomatic setting. Recently J. Eckhoff has considered
the classic theorem of Radon in several different settings. Most of his work is done in
what we call an Eckhoff space, i.e., in a finite product of euclidean spaces
where convex sets are defined as the cartesian products of usual convex
sets in each component space. The purpose of this paper is to investigate
the closely related theorem of Caratheodory and its generalizations in this
setting.