structure for 'Thought'    |     alphabetical list of themes    |     expand these ideas

18. Thought / D. Concepts / 4. Structure of Concepts / c. Classical concepts

[concepts as necessary and sufficient conditions of groups]

14 ideas
Analysis is finding necessary and sufficient conditions by studying possible cases [Jackson]
The essence of a concept is either its definition or its conceptual relations? [Mares]
The classical definitional approach cannot distinguish typical and atypical category members [Murphy]
Classical concepts follow classical logic, but concepts in real life don't work that way [Murphy]
Classical concepts are transitive hierarchies, but actual categories may be intransitive [Murphy]
The theoretical and practical definitions for the classical view are very hard to find [Murphy]
The classical core is meant to be the real concept, but actually seems unimportant [Murphy]
Classically, concepts give necessary and sufficient conditions for falling under them [Margolis/Laurence]
Typicality challenges the classical view; we see better fruit-prototypes in apples than in plums [Margolis/Laurence]
The classical theory explains acquisition, categorization and reference [Margolis/Laurence]
It may be that our concepts (such as 'knowledge') have no definitional structure [Margolis/Laurence]
Classical theory implies variety in processing times, but this does not generally occur [Machery]
Classical theory can't explain facts like typical examples being categorised quicker [Machery]
Many categories don't seem to have a definition [Machery]