23 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] |
23548 | Indeterminacy is in conflict with classical logic [Fine,K] |
9106 | The word 'every' only signifies when added to a term such as 'man', referring to all men [William of Ockham] |
23539 | Classical semantics has referents for names, extensions for predicates, and T or F for sentences [Fine,K] |
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] |
23540 | Conjoining two indefinites by related sentences seems to produce a contradiction [Fine,K] |
23546 | Standardly vagueness involves borderline cases, and a higher standpoint from which they can be seen [Fine,K] |
23544 | Local indeterminacy concerns a single object, and global indeterminacy covers a range [Fine,K] |
23542 | Identifying vagueness with ignorance is the common mistake of confusing symptoms with cause [Fine,K] |
23541 | Supervaluation can give no answer to 'who is the last bald man' [Fine,K] |
15388 | Universals are single things, and only universal in what they signify [William of Ockham] |
23545 | We do not have an intelligible concept of a borderline case [Fine,K] |
16678 | Without magnitude a thing would retain its parts, but they would have no location [Buridan] |
9109 | If essence and existence were two things, one could exist without the other, which is impossible [William of Ockham] |
16793 | A thing is (less properly) the same over time if each part is succeeded by another [Buridan] |
16577 | Induction is not demonstration, because not all of the instances can be observed [Buridan] |
16576 | Science is based on induction, for general truths about fire, rhubarb and magnets [Buridan] |
23547 | It seems absurd that there is no identity of any kind between two objects which involve survival [Fine,K] |
9105 | Some concepts for propositions exist only in the mind, and in no language [William of Ockham] |
23543 | We identify laws with regularities because we mistakenly identify causes with their symptoms [Fine,K] |