4 ideas
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] |
14289 | There are some assertable conditionals one would reject if one learned the antecedent [Jackson, by Edgington] |
468 | Musical performance can reveal a range of virtues [Damon of Ath.] |