5 ideas
| 5880 | Xenocrates held that the soul had no form or substance, but was number [Xenocrates, by Cicero] |
| 9141 | Abstraction theories build mathematics out of second-order equivalence principles [Cook/Ebert] |
| 8412 | A causal interaction is when two processes intersect, and correlated modifications persist afterwards [Salmon] |
| 8413 | Cause must come first in propagations of causal interactions, but interactions are simultaneous [Salmon] |
| 8411 | Instead of localised events, I take enduring and extended processes as basic to causation [Salmon] |