4 ideas
16541 | All the intrinsic properties of a thing should be deducible from its definition [Spinoza] |
13073 | To understand the properties we must know the essence, as with a circle [Spinoza] |
9145 | We form the image of a cardinal number by a double abstraction, from the elements and from their order [Cantor] |
7903 | The six perfections are giving, morality, patience, vigour, meditation, and wisdom [Nagarjuna] |