4 ideas
13165 | Geometrical proofs do not show causes, as when we prove a triangle contains two right angles [Proclus] |
9569 | The origin of geometry started in sensation, then moved to calculation, and then to reason [Proclus] |
15666 | To understand language is to know how to use it to reach shared understandings [Habermas] |
21788 | The moral will is self-determining, but the ethical will is met in society [Houlgate] |