A
cell is a three-
dimensional object that is part of a higher-dimensional
object, such as a
polychoron. A cell is related to higher-dimensional objects in
the way that a face, or two-dimensional
polygon, is related to higher-dimensional
objects. For example, a cell is to a 4-dimensional polytope, or polychoron, what a
face is to a 3-dimensional
polytope, or
polyhedron.
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