5 ideas
| 6710 | You can only define a statement that something is 'true' by referring to its functional possibilities [James] |
| 22305 | If the hypothesis of God is widely successful, it is true [James] |
| 12733 | Because of the definitions of cause, effect and power, cause and effect have the same power [Leibniz] |
| 12734 | Every necessary proposition is demonstrable to someone who understands [Leibniz] |
| 6004 | The cardinal virtues are theoretical (based on knowledge), and others are 'non-theoretical' [Hecato, by Dorandi] |