12 ideas
9967 | 'Impure' sets have a concrete member, while 'pure' (abstract) sets do not [Jubien] |
9968 | A model is 'fundamental' if it contains only concrete entities [Jubien] |
9965 | There couldn't just be one number, such as 17 [Jubien] |
9966 | The subject-matter of (pure) mathematics is abstract structure [Jubien] |
9963 | If we all intuited mathematical objects, platonism would be agreed [Jubien] |
9962 | How can pure abstract entities give models to serve as interpretations? [Jubien] |
9964 | Since mathematical objects are essentially relational, they can't be picked out on their own [Jubien] |
9969 | The empty set is the purest abstract object [Jubien] |
468 | Musical performance can reveal a range of virtues [Damon of Ath.] |
13550 | To be always happy is to lack knowledge of one half of nature [Seneca] |
13549 | Nothing bad can happen to a good man [Seneca] |
13548 | The ocean changes in volume in proportion to the attraction of the moon [Seneca] |