Properties of Categorization
Centrality
- Example: Prime Numbers
- Definition: An integer divisible only by itself and 1
- Examples: 1, 2, 3, 5, 7, 11, 13, 17, …
- A very clear-cut category. Or is it?
- Can one number be “more prime” than another?
- Centrality: some members of a category may be “better examples” than others.
- Example: robins vs. chickens vs. emus