6 ideas
9226 | If mathematical theories conflict, it may just be that they have different subject matter [Field,H] |
6408 | Russell needed three extra axioms to reduce maths to logic: infinity, choice and reducibility [Grayling] |
19400 | Possibles demand existence, so as many of them as possible must actually exist [Leibniz] |
19401 | God's sufficient reason for choosing reality is in the fitness or perfection of possibilities [Leibniz] |
19402 | The actual universe is the richest composite of what is possible [Leibniz] |
6414 | Two propositions might seem self-evident, but contradict one another [Grayling] |