6 ideas
9565 | Zermelo made 'set' and 'member' undefined axioms [Zermelo, by Chihara] |
3339 | For Zermelo's set theory the empty set is zero and the successor of each number is its unit set [Zermelo, by Blackburn] |
5655 | Happiness is not satisfaction of desires, but fulfilment of values [Bradley, by Scruton] |
21004 | Hart (against Bentham) says human rights are what motivate legal rights [Hart,HLA, by Sen] |
20932 | Positive law needs secondary 'rules of recognition' for their correct application [Hart,HLA, by Zimmermann,J] |
20931 | Hart replaced positivism with the democratic requirement of the people's acceptance [Hart,HLA, by Zimmermann,J] |