8 ideas
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] |
17635 | Arithmetic can have even simpler logical premises than the Peano Axioms [Russell on Peano] |
13095 | Essence is primitive force, or a law of change [Leibniz] |
19399 | Prime matter is nothing when it is at rest [Leibniz] |
2117 | The connection in events enables us to successfully predict the future, so there must be a constant cause [Leibniz] |