4 ideas
12750 | The question is whether force is self-sufficient in bodies, and essential, or dependent on something [Lenfant] |
14798 | All communication is vague, and is outside the principle of non-contradiction [Peirce] |
14797 | Vagueness is a neglected but important part of mathematical thought [Peirce] |
490 | Everything happens by reason and necessity [Leucippus] |