7 ideas
8000 | He who is ignorant of the history of philosophy is doomed to repeat it [Santayana, by MacIntyre] |
18521 | The criterion of existence is the possibility of action [Santayana] |
2667 | A false object might give the same presentation as a true one [Arcesilaus, by Cicero] |
9073 | Abstraction from an ambiguous concept like 'mole' will define them as the same [Barnes,J] |
9074 | Abstraction cannot produce the concept of a 'game', as there is no one common feature [Barnes,J] |
9072 | Defining concepts by abstractions will collect together far too many attributes from entities [Barnes,J] |
23060 | The good is not relative, but is rooted in facts about human needs [Santayana] |