13 ideas
3338 | Numbers have been defined in terms of 'successors' to the concept of 'zero' [Peano, by Blackburn] |
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] |
5897 | 0 is a non-successor number, all successors are numbers, successors can't duplicate, if P(n) and P(n+1) then P(all-n) [Peano, by Flew] |
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] |
22594 | In 1794 France all individual and legal rights were suppressed by the general will [Dunt] |
22602 | Over several centuries a set of eight main liberal values was established [Dunt] |
22596 | No government, or the whole nation, can control an individual beyond legitimate scope [Dunt] |
22603 | Laissez-faire liberalism failed to give people the protections and freedoms needed for a good life [Dunt] |
22592 | Nationalism pretends that we can only have a single identity [Dunt] |
6005 | Animals are dangerous and nourishing, and can't form contracts of justice [Hermarchus, by Sedley] |