18 ideas
14600 | Analysis aims at secure necessary and sufficient conditions [Schaffer,J] |
9108 | From an impossibility anything follows [William of Ockham] |
14603 | 'Reification' occurs if we mistake a concept for a thing [Schaffer,J] |
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] |
15716 | If axioms and their implications have no contradictions, they pass my criterion of truth and existence [Hilbert] |
14607 | T adds □p→p for reflexivity, and is ideal for modeling lawhood [Schaffer,J] |
9106 | The word 'every' only signifies when added to a term such as 'man', referring to all men [William of Ockham] |
14604 | If a notion is ontologically basic, it should be needed in our best attempt at science [Schaffer,J] |
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] |
14599 | Three types of reduction: Theoretical (of terms), Definitional (of concepts), Ontological (of reality) [Schaffer,J] |
14605 | Tropes are the same as events [Schaffer,J] |
15388 | Universals are single things, and only universal in what they signify [William of Ockham] |
14601 | Individuation aims to count entities, by saying when there is one [Schaffer,J] |
9109 | If essence and existence were two things, one could exist without the other, which is impossible [William of Ockham] |
14606 | Only ideal conceivability could indicate what is possible [Schaffer,J] |
9105 | Some concepts for propositions exist only in the mind, and in no language [William of Ockham] |