9 ideas
18261 | A simplification which is complete constitutes a definition [Kant] |
22275 | Logic gives us the necessary rules which show us how we ought to think [Kant] |
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] |
15642 | If kinds depend only on what can be observed, many underlying essences might produce the same kind [Eagle] |
15645 | Nominal essence are the observable properties of things [Eagle] |
15643 | Nominal essence mistakenly gives equal weight to all underlying properties that produce appearances [Eagle] |
18260 | If we knew what we know, we would be astonished [Kant] |
15641 | Kinds are fixed by the essential properties of things - the properties that make it that kind of thing [Eagle] |