4 ideas
9390 | Logic guides thinking, but it isn't a substitute for it [Rumfitt] |
9389 | Vague membership of sets is possible if the set is defined by its concept, not its members [Rumfitt] |
16721 | Changes in secondary qualities are caused by changes in primary qualities [Giles of Orleans] |
23834 | Friendship is partly universal - the love of a person is like the ideal of loving everyone [Weil] |