3 ideas
13547 | Limitation of Size is weak (Fs only collect is something the same size does) or strong (fewer Fs than objects) [Boolos, by Potter] |
18431 | Internal relations combine some tropes into a nucleus, which bears the non-essential tropes [Simons, by Edwards] |
8592 | Empty space is measurable in ways in which empty time necessarily is not [Bennett, by Shoemaker] |