18 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] |
| 9113 | Just as unity is not a property of a single thing, so numbers are not properties of many things [William of Ockham] |
| 9110 | The words 'thing' and 'to be' assert the same idea, as a noun and as a verb [William of Ockham] |
| 23651 | Universals are not objects of sense and cannot be imagined - but can be conceived [Reid] |
| 15388 | Universals are single things, and only universal in what they signify [William of Ockham] |
| 23650 | Only individuals exist [Reid] |
| 23649 | No one thinks two sheets possess a single whiteness, but all agree they are both white [Reid] |
| 9109 | If essence and existence were two things, one could exist without the other, which is impossible [William of Ockham] |
| 11874 | Real identity admits of no degrees [Reid] |
| 12893 | Contextualism says sceptical arguments are true, relative to their strict context [Cohen,S] |
| 12896 | Knowledge is context-sensitive, because justification is [Cohen,S] |
| 12894 | There aren't invariant high standards for knowledge, because even those can be raised [Cohen,S] |
| 23652 | We must first conceive things before we can consider them [Reid] |
| 23648 | First we notice and name attributes ('abstracting'); then we notice that subjects share them ('generalising') [Reid] |
| 9105 | Some concepts for propositions exist only in the mind, and in no language [William of Ockham] |