4 ideas
10245 | One geometry cannot be more true than another [Poincaré] |
9783 | While no two classes coincide in membership, there are distinct but coextensive attributes [Cartwright,R] |
10486 | If we are rebuilding our ship at sea, we should jettison some cargo [Boolos on Neurath] |
8485 | We must always rebuild our ship on the open sea; we can't reconstruct it properly in dry-dock [Neurath] |