10 ideas
21697 | The Struthionic Fallacy is that of burying one's head in the sand [Quine] |
21698 | All relations, apart from ancestrals, can be reduced to simpler logic [Quine] |
13949 | All models of Peano axioms are isomorphic, so the models all seem equally good for natural numbers [Cartwright,R on Peano] |
18113 | PA concerns any entities which satisfy the axioms [Peano, by Bostock] |
17634 | Peano axioms not only support arithmetic, but are also fairly obvious [Peano, by Russell] |
15653 | We can add Reflexion Principles to Peano Arithmetic, which assert its consistency or soundness [Halbach on Peano] |
21696 | Nominalism rejects both attributes and classes (where extensionalism accepts the classes) [Quine] |
17635 | Arithmetic can have even simpler logical premises than the Peano Axioms [Russell on Peano] |
1748 | Archelaus was the first person to say that the universe is boundless [Archelaus, by Diog. Laertius] |
5989 | Archelaus said life began in a primeval slime [Archelaus, by Schofield] |