9 ideas
| 12170 | Amusement rests on superiority, or relief, or incongruity [Scruton] |
| 12173 | The central object of amusement is the human [Scruton] |
| 12169 | Since only men laugh, it seems to be an attribute of reason [Scruton] |
| 12172 | Objects of amusement do not have to be real [Scruton] |
| 4304 | Descartes says there are two substance, Spinoza one, and Leibniz infinitely many [Cottingham] |
| 4303 | The notion of substance lies at the heart of rationalist metaphysics [Cottingham] |
| 12174 | Only rational beings are attentive without motive or concern [Scruton] |
| 7903 | The six perfections are giving, morality, patience, vigour, meditation, and wisdom [Nagarjuna] |
| 4306 | For rationalists, it is necessary that effects be deducible from their causes [Cottingham] |