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] |
13007 | Archimedes defined a straight line as the shortest distance between two points [Archimedes, by Leibniz] |
2116 | The concept of an existing thing must contain more than the concept of a non-existing thing [Leibniz] |