8 ideas
20771 | Six parts: dialectic, rhetoric, ethics, politics, physics, theology [Cleanthes, by Diog. Laertius] |
6408 | Russell needed three extra axioms to reduce maths to logic: infinity, choice and reducibility [Grayling] |
2614 | Modern phenomenalism holds that objects are logical constructions out of sense-data [Ayer] |
6414 | Two propositions might seem self-evident, but contradict one another [Grayling] |
2615 | The concept of sense-data allows us to discuss appearances without worrying about reality [Ayer] |
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] |
5993 | The ascending scale of living creatures requires a perfect being [Cleanthes, by Tieleman] |