19 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] |
| 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] |
| 9105 | Some concepts for propositions exist only in the mind, and in no language [William of Ockham] |
| 20725 | The idea of duty in one's calling haunts us, like a lost religion [Weber] |
| 20722 | Acquisition and low consumption lead to saving, investment, and increased wealth [Weber] |
| 20724 | When asceticism emerged from the monasteries, it helped to drive the modern economy [Weber] |
| 20717 | Capitalism is not unlimited greed, and may even be opposed to greed [Weber] |
| 20718 | Modern western capitalism has free labour, business separate from household, and book-keeping [Weber] |
| 20719 | Punish the heretic, but be indulgent to the sinner [Weber] |