7 ideas
10053 | Geometrical axioms imply the propositions, but the former may not be true [Russell] |
17807 | To study formal systems, look at the whole thing, and not just how it is constructed in steps [Curry] |
10052 | Geometry is united by the intuitive axioms of projective geometry [Russell, by Musgrave] |
17806 | It is untenable that mathematics is general physical truths, because it needs infinity [Curry] |
17808 | Saying mathematics is logic is merely replacing one undefined term by another [Curry] |
13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |