4 ideas
23367 | Even pointing a finger should only be done for a reason [Epictetus] |
3338 | Numbers have been defined in terms of 'successors' to the concept of 'zero' [Peano, by Blackburn] |
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] |
7566 | The Identity of Indiscernibles is really the same as the verification principle [Jolley] |