4 ideas
17743 | De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki] |
16597 | Quantity is the capacity to be divided [Digby] |
7903 | The six perfections are giving, morality, patience, vigour, meditation, and wisdom [Nagarjuna] |
16731 | Colours arise from the rarity, density and mixture of matter [Digby] |