4 ideas
10245 | One geometry cannot be more true than another [Poincaré] |
13160 | To exist and be understood, a multitude must first be reduced to a unity [Leibniz] |
13161 | Substances are everywhere in matter, like points in a line [Leibniz] |
13605 | Gravity isn't a force, because it produces effects without diminishing [Mayer] |