17 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] |
| 11970 | Logicians like their entities to exhibit a maximum degree of purity [Kaplan] |
| 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] |
| 15388 | Universals are single things, and only universal in what they signify [William of Ockham] |
| 11969 | Models nicely separate particulars from their clothing, and logicians often accept that metaphysically [Kaplan] |
| 9109 | If essence and existence were two things, one could exist without the other, which is impossible [William of Ockham] |
| 19378 | Early modern possibility is what occurs sometime; for Leibniz, it is what is not contradictory [Arthur,R] |
| 11971 | The simplest solution to transworld identification is to adopt bare particulars [Kaplan] |
| 11973 | Unusual people may have no counterparts, or several [Kaplan] |
| 11972 | Essence is a transworld heir line, rather than a collection of properties [Kaplan] |
| 19380 | Occasionalism contradicts the Eucharist, which needs genuine changes of substance [Arthur,R] |
| 11967 | Sentences might have the same sense when logically equivalent - or never have the same sense [Kaplan] |
| 9105 | Some concepts for propositions exist only in the mind, and in no language [William of Ockham] |