4 ideas
| 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] |
| 20948 | Human cultures are organisms which grow, and then fade and die [Spengler, by Bowie] |
| 14409 | I am a presentist, and all language and common sense supports my view [Bigelow] |