7 ideas
18758 | Validity is provable, but invalidity isn't, because the model is infinite [Church, by McGee] |
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] |
16740 | A power is not a cause, but an aptitude for a cause [Zabarella] |
7554 | Self-evidence is often a mere will-o'-the-wisp [Russell] |
16571 | Prime matter is exceptionally obscure [Zabarella] |