19 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] |
6806 | Do not multiply entities beyond necessity [William of Ockham] |
17629 | Which premises are ultimate varies with context [Russell] |
17630 | The sources of a proof are the reasons why we believe its conclusion [Russell] |
17640 | Finding the axioms may be the only route to some new results [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] |
22132 | Species and genera are individual concepts which naturally signify many individuals [William of Ockham] |
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] |
17631 | Induction is inferring premises from consequences [Russell] |
1748 | Archelaus was the first person to say that the universe is boundless [Archelaus, by Diog. Laertius] |
17633 | The law of gravity has many consequences beyond its grounding observations [Russell] |
19381 | The past has ceased to exist, and the future does not yet exist, so time does not exist [William of Ockham] |
5989 | Archelaus said life began in a primeval slime [Archelaus, by Schofield] |
8010 | William of Ockham is the main spokesman for God's commands being the source of morality [William of Ockham] |
16679 | Even an angel must have some location [William of Ockham, by Pasnau] |