4 ideas
17743 | De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki] |
12733 | Because of the definitions of cause, effect and power, cause and effect have the same power [Leibniz] |
12734 | Every necessary proposition is demonstrable to someone who understands [Leibniz] |
7903 | The six perfections are giving, morality, patience, vigour, meditation, and wisdom [Nagarjuna] |