4 ideas
10494 | Several words may label a category; one word can name several categories; some categories lack words [Ellen] |
18883 | Any equivalence relation among similar things allows the creation of an abstractum [Simons] |
18884 | Abstraction is usually seen as producing universals and numbers, but it can do more [Simons] |
8114 | The institutional theory says only a competent expert can decree something to be an art work [Dickie, by Gardner] |