5 ideas
| 17619 | We renounce all abstract entities [Goodman/Quine] |
| 3214 | The models we use in reasoning may be more like perceptions than like language [Johnson-Laird] |
| 9073 | Abstraction from an ambiguous concept like 'mole' will define them as the same [Barnes,J] |
| 9074 | Abstraction cannot produce the concept of a 'game', as there is no one common feature [Barnes,J] |
| 9072 | Defining concepts by abstractions will collect together far too many attributes from entities [Barnes,J] |