4 ideas
527 | Everything exists which anyone perceives [Metrodorus of Chios] |
19440 | How do you know you have conceived a thing deeply enough to assess its possibility? [Vaidya] |
2614 | Modern phenomenalism holds that objects are logical constructions out of sense-data [Ayer] |
2615 | The concept of sense-data allows us to discuss appearances without worrying about reality [Ayer] |