Humans and horses share characteristics such as breathing and eating, yet remain disjoint species: no individual belongs to both. Human versus animal and horse versus animal, by contrast, are inclusion relations. The comparison depends on the exact pair of concepts.
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Shared properties do not erase disjointness
Four Relations Between Universal Concepts
Humans and horses share characteristics such as breathing and eating, yet remain disjoint species: no individual belongs to both. Human versus animal and horse versus animal, by contrast, are inclusion relations. The comparison depends on the exact pair of concepts.