4 ideas
8754 | Logic is dependent on mathematics, not the other way round [Heyting, by Shapiro] |
16463 | Adams says actual things have haecceities, but not things that only might exist [Adams,RM, by Stalnaker] |
12739 | If we are dreaming, it is sufficient that the events are coherent, and obey laws [Leibniz] |
12738 | Successful prediction shows proficiency in nature [Leibniz] |