5 ideas
15990 | Every individual thing which exists has an essence, which is its internal constitution [Locke] |
16079 | De re modal predicates are ambiguous [Lewis, by Rudder Baker] |
15994 | If it is knowledge, it is certain; if it isn't certain, it isn't knowledge [Locke] |
20795 | Some things are their own criterion, such as straightness, a set of scales, or light [Sext.Empiricus] |
20794 | How can sceptics show there is no criterion? Weak without, contradiction with [Sext.Empiricus] |