13 ideas
12170 | Amusement rests on superiority, or relief, or incongruity [Scruton] |
12173 | The central object of amusement is the human [Scruton] |
12169 | Since only men laugh, it seems to be an attribute of reason [Scruton] |
12172 | Objects of amusement do not have to be real [Scruton] |
17963 | The facts of geometry, arithmetic or statics order themselves into theories [Hilbert] |
17966 | Axioms must reveal their dependence (or not), and must be consistent [Hilbert] |
17967 | To decide some questions, we must study the essence of mathematical proof itself [Hilbert] |
17965 | The whole of Euclidean geometry derives from a basic equation and transformations [Hilbert] |
17964 | Number theory just needs calculation laws and rules for integers [Hilbert] |
12174 | Only rational beings are attentive without motive or concern [Scruton] |
13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
17968 | By digging deeper into the axioms we approach the essence of sciences, and unity of knowedge [Hilbert] |
20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |