19 ideas
9108 | From an impossibility anything follows [William of Ockham] |
9107 | A proposition is true if its subject and predicate stand for the same thing [William of Ockham] |
16300 | Ockham had an early axiomatic account of truth [William of Ockham, by Halbach] |
9106 | The word 'every' only signifies when added to a term such as 'man', referring to all men [William of Ockham] |
10631 | If 'x is heterological' iff it does not apply to itself, then 'heterological' is heterological if it isn't heterological [Hale/Wright] |
10624 | The incompletability of formal arithmetic reveals that logic also cannot be completely characterized [Hale/Wright] |
10629 | If structures are relative, this undermines truth-value and objectivity [Hale/Wright] |
10628 | The structural view of numbers doesn't fit their usage outside arithmetical contexts [Hale/Wright] |
9113 | Just as unity is not a property of a single thing, so numbers are not properties of many things [William of Ockham] |
10622 | The neo-Fregean is more optimistic than Frege about contextual definitions of numbers [Hale/Wright] |
9110 | The words 'thing' and 'to be' assert the same idea, as a noun and as a verb [William of Ockham] |
15388 | Universals are single things, and only universal in what they signify [William of Ockham] |
10626 | Objects just are what singular terms refer to [Hale/Wright] |
9109 | If essence and existence were two things, one could exist without the other, which is impossible [William of Ockham] |
10630 | Abstracted objects are not mental creations, but depend on equivalence between given entities [Hale/Wright] |
9105 | Some concepts for propositions exist only in the mind, and in no language [William of Ockham] |
10627 | Many conceptual truths ('yellow is extended') are not analytic, as derived from logic and definitions [Hale/Wright] |
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] |