4 ideas
15833 | Tell cleverness from answers, but wisdom from questions [Mahfouz] |
17783 | A number is not a multitude, but a unified ratio between quantities [Newton] |
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] |