11 ideas
| 1403 | A rational donkey would starve to death between two totally identical piles of hay [Buridan, by PG] |
| 11257 | The Pythagoreans were the first to offer definitions [Politis, by Politis] |
| 11235 | 'True of' is applicable to things, while 'true' is applicable to words [Politis] |
| 3299 | In logic identity involves reflexivity (x=x), symmetry (if x=y, then y=x) and transitivity (if x=y and y=z, then x=z) [Baillie] |
| 11277 | Maybe 'What is being? is confusing because we can't ask what non-being is like [Politis] |
| 16678 | Without magnitude a thing would retain its parts, but they would have no location [Buridan] |
| 11248 | Necessary truths can be two-way relational, where essential truths are one-way or intrinsic [Politis] |
| 16793 | A thing is (less properly) the same over time if each part is succeeded by another [Buridan] |
| 16726 | Why can't we deduce secondary qualities from primary ones, if they cause them? [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] |