14 ideas
| 14767 | The demonstrations of the metaphysicians are all moonshine [Peirce] |
| 14764 | I am saturated with the spirit of physical science [Peirce] |
| 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] |
| 14768 | Infallibility in science is just a joke [Peirce] |
| 2664 | If we have complete healthy senses, what more could the gods give us? [Cicero] |
| 14765 | Association of ideas is the best philosophical idea of the prescientific age [Peirce] |
| 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] |
| 14766 | Duns Scotus offers perhaps the best logic and metaphysics for modern physical science [Peirce] |
| 2672 | Virtues must be very detached, to avoid being motivated by pleasure [Cicero] |
| 11945 | In addition to laws, God must also create appropriate natures for things [Leibniz] |
| 19348 | All that is real in motion is the force or power which produces change [Leibniz] |