10 ideas
| 2661 | Dialectic is speech cast in the form of logical argument [Cicero] |
| 2673 | There cannot be more than one truth [Cicero] |
| 2669 | Dialectic assumes that all statements are either true or false, but self-referential paradoxes are a big problem [Cicero] |
| 23283 | Necessity implies possibility, but in experience it matters which comes first [Williams,B] |
| 2664 | If we have complete healthy senses, what more could the gods give us? [Cicero] |
| 2665 | How can there be a memory of what is false? [Cicero] |
| 20800 | Every true presentation can have a false one of the same quality [Cicero] |
| 2596 | Maybe mind and body are parallel, like two good clocks [Leibniz] |
| 2672 | Virtues must be very detached, to avoid being motivated by pleasure [Cicero] |
| 2595 | If the universe is a perfect agreement of uncommunicating substances, there must be a common source [Leibniz] |