4 ideas
7848 | Philosophy begins in the horror and absurdity of existence [Nietzsche, by Ansell Pearson] |
15943 | Limitation of Size is not self-evident, and seems too strong [Lavine on Neumann] |
13672 | All the axioms for mathematics presuppose set theory [Neumann] |
12694 | Essence is the distinct thinkability of anything [Leibniz] |