Hyponym

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A predicate P is a hyponym of another predicate Q iff P is a special case of Q:

For any pair of predicates P,Q:
for all x,
P(x) → Q(x)
and
not (Q(x) → P(x)))

The term 'hyponym' is a converse of the term 'hyperonym'.

Example

  • 'Dog' is a hyponym of 'animal'.

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