15 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] |
| 19419 | Not all of perception is accompanied by consciousness [Leibniz] |
| 2664 | If we have complete healthy senses, what more could the gods give us? [Cicero] |
| 16726 | Why can't we deduce secondary qualities from primary ones, if they cause them? [Buridan] |
| 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] |
| 19421 | Souls act as if there were no bodies, and bodies act as if there were no souls [Leibniz] |
| 19420 | Death and generation are just transformations of an animal, augmented or diminished [Leibniz] |
| 2672 | Virtues must be very detached, to avoid being motivated by pleasure [Cicero] |
| 19416 | Not all of matter is animated, any more than a pond full of living fish is animated [Leibniz] |
| 19422 | Every particle of matter contains organic bodies [Leibniz] |
| 19418 | Mechanics shows that all motion originates in other motion, so there is a Prime Mover [Leibniz] |
| 19417 | All substances are in harmony, even though separate, so they must have one divine cause [Leibniz] |