4 ideas
18256 | Quantity is inconceivable without the idea of addition [Frege] |
9831 | Geometry appeals to intuition as the source of its axioms [Frege] |
3214 | The models we use in reasoning may be more like perceptions than like language [Johnson-Laird] |
468 | Musical performance can reveal a range of virtues [Damon of Ath.] |