Partial overlap requires three nonempty regions: individuals in both classes, individuals in only the first, and individuals in only the second. Neither class contains the other entirely, and they are not disjoint. Each is more general in one respect and more specific in another.
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Definition of partial overlap
Four Relations Between Universal Concepts
Partial overlap requires three nonempty regions: individuals in both classes, individuals in only the first, and individuals in only the second. Neither class contains the other entirely, and they are not disjoint. Each is more general in one respect and more specific in another.