4 ideas
| 22308 | Only the actual exists, so possibilities always reduce to actuality after full analysis [Russell] |
| 12729 | The cause of a change is not the real influence, but whatever gives a reason for the change [Leibniz] |
| 18883 | Any equivalence relation among similar things allows the creation of an abstractum [Simons] |
| 18884 | Abstraction is usually seen as producing universals and numbers, but it can do more [Simons] |