8 ideas
7557 | To solve Zeno's paradox, reject the axiom that the whole has more terms than the parts [Russell] |
10059 | In mathematic we are ignorant of both subject-matter and truth [Russell] |
7556 | A collection is infinite if you can remove some terms without diminishing its number [Russell] |
6409 | The 'simple theory of types' distinguishes levels among properties [Ramsey, by Grayling] |
3212 | Beliefs are maps by which we steer [Ramsey] |
7554 | Self-evidence is often a mere will-o'-the-wisp [Russell] |
13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |