13 ideas
19463 | Induction assumes some uniformity in nature, or that in some respects the future is like the past [Ayer] |
15717 | Using Choice, you can cut up a small ball and make an enormous one from the pieces [Kaplan/Kaplan] |
15712 | 1 and 0, then add for naturals, subtract for negatives, divide for rationals, take roots for irrationals [Kaplan/Kaplan] |
15711 | The rationals are everywhere - the irrationals are everywhere else [Kaplan/Kaplan] |
15714 | 'Commutative' laws say order makes no difference; 'associative' laws say groupings make no difference [Kaplan/Kaplan] |
15715 | 'Distributive' laws say if you add then multiply, or multiply then add, you get the same result [Kaplan/Kaplan] |
19459 | To say 'I am not thinking' must be false, but it might have been true, so it isn't self-contradictory [Ayer] |
19460 | 'I know I exist' has no counterevidence, so it may be meaningless [Ayer] |
19461 | Knowing I exist reveals nothing at all about my nature [Ayer] |
19464 | We only discard a hypothesis after one failure if it appears likely to keep on failing [Ayer] |
18284 | Particulars can be verified or falsified, but general statements can only be falsified (conclusively) [Popper] |
19462 | Induction passes from particular facts to other particulars, or to general laws, non-deductively [Ayer] |
15713 | The first million numbers confirm that no number is greater than a million [Kaplan/Kaplan] |