CLPS 0200 Lecture Notes - Lecture 10: Prototype Theory, Eleanor Rosch, If And Only If
11 Nov 2016
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Document Summary
Cognitive economy: memory limitations, language and communication forms the basis for generalization, generalization: taking a property that you know is true of one thing and extending it to another infer unknown properties. Can have slightly different versions of same feature (two caterpillars have different colorings) Categorization and object recognition are linked definitions. Category: a group of objects or properties (external things: extension: the set of objects in the world for which the property is true, categorization: process of identifying the category an object belongs to. Concept: a mental representation that picks out a group of objects or properties (internal things: concepts = units of thought , intension: set of properties associated with concept. Ex. the category of santa is the same as the category of. Easter bunny because it is empty no physical instantiation for either: extensions of that category are equivalent. All fictional/imaginary things become equivalent: but mental representation is different classical view of categorization (until ~1970)
