3 ideas
15793 | We can take 'ways things might have been' as irreducible elements in our ontology [Stalnaker, by Lycan] |
22908 | When one element contains the grounds of the other, the first one is prior in time [Leibniz] |
2116 | The concept of an existing thing must contain more than the concept of a non-existing thing [Leibniz] |