From the textbook exercise: growing body/tree is inclusion, because all trees are growing bodies but not vice versa. Stone/body is inclusion, because stones are bodies but not all bodies are stones. Human/stone is disjointness, because there is no shared member.
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Practice with broader and narrower classes
Four Relations Between Universal Concepts
From the textbook exercise: growing body/tree is inclusion, because all trees are growing bodies but not vice versa. Stone/body is inclusion, because stones are bodies but not all bodies are stones. Human/stone is disjointness, because there is no shared member.