11 ideas
| 20771 | Six parts: dialectic, rhetoric, ethics, politics, physics, theology [Cleanthes, by Diog. Laertius] |
| 21699 | Russell offered a paraphrase of definite description, to avoid the commitment to objects [Quine] |
| 7661 | Truth is the opinion fated to be ultimately agreed by all investigators [Peirce] |
| 19089 | Our whole conception of an object is its possible practical consequences [Peirce] |
| 7660 | We are aware of beliefs, they appease our doubts, and they are rules of action, or habits [Peirce] |
| 6028 | Bodies interact with other bodies, and cuts cause pain, and shame causes blushing, so the soul is a body [Cleanthes, by Nemesius] |
| 20831 | The soul suffers when the body hurts, creates redness from shame, and pallor from fear [Cleanthes] |
| 14906 | Non-positivist verificationism says only take a hypothesis seriously if it is scientifically based and testable [Ladyman/Ross on Peirce] |
| 21700 | Taking sentences as the unit of meaning makes useful paraphrasing possible [Quine] |
| 21701 | Knowing a word is knowing the meanings of sentences which contain it [Quine] |
| 5993 | The ascending scale of living creatures requires a perfect being [Cleanthes, by Tieleman] |