18 ideas
| 17641 | Discoveries in mathematics can challenge philosophy, and offer it a new foundation [Russell] |
| 17638 | If one proposition is deduced from another, they are more certain together than alone [Russell] |
| 17632 | Non-contradiction was learned from instances, and then found to be indubitable [Russell] |
| 17640 | Finding the axioms may be the only route to some new results [Russell] |
| 17629 | Which premises are ultimate varies with context [Russell] |
| 17630 | The sources of a proof are the reasons why we believe its conclusion [Russell] |
| 17627 | It seems absurd to prove 2+2=4, where the conclusion is more certain than premises [Russell] |
| 17628 | Arithmetic was probably inferred from relationships between physical objects [Russell] |
| 14347 | A 'finkish' disposition is one that is lost immediately after the appropriate stimulus [Corry] |
| 14348 | An 'antidote' allows a manifestation to begin, but then blocks it [Corry] |
| 14350 | If a disposition is never instantiated, it shouldn't be part of our theory of nature [Corry] |
| 3016 | Even the gods cannot strive against necessity [Pittacus, by Diog. Laertius] |
| 17637 | The most obvious beliefs are not infallible, as other obvious beliefs may conflict [Russell] |
| 17639 | Believing a whole science is more than believing each of its propositions [Russell] |
| 14351 | Maybe an experiment unmasks an essential disposition, and reveals its regularities [Corry] |
| 17631 | Induction is inferring premises from consequences [Russell] |
| 17633 | The law of gravity has many consequences beyond its grounding observations [Russell] |
| 14346 | Dispositional essentialism says fundamental laws of nature are strict, not ceteris paribus [Corry] |