•Prototype theory
–Not really a theory, ie., not too specific.
–States that categories have structure. Prototypes.
–Example of a specific prototype theory: a statistical model based on properties.
•Gaussian distribution;
•weighted combination of properties: eg., Bird
Properties: flies, sings, lays eggs,
is small, nests in trees, eats insects. All are true of a robin, but maybe only
some need to be true (eg., a
chicken).
–Wittgenstein: Family resemblance, rope.