12 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] |
| 15388 | Universals are single things, and only universal in what they signify [William of Ockham] |
| 19347 | Substance needs independence, unity, and stability (for individuation); also it is a subject, for predicates [Perkins] |
| 9109 | If essence and existence were two things, one could exist without the other, which is impossible [William of Ockham] |
| 7082 | Nature requires causal explanations, but society requires clarification by reasons and motives [Weber, by Critchley] |
| 9105 | Some concepts for propositions exist only in the mind, and in no language [William of Ockham] |
| 22155 | We are disenchanted because we rely on science, which ignores values [Weber, by Boulter] |