3 ms·
So not so OBVIOUS, anyway. You need the notion of convexity (not so easy to give abstractly unless you already know the definition). Items 4 and 5 look clear bu
by pfortuny 7y ago
So not so OBVIOUS, anyway. You need the notion of convexity (not so easy to give abstractly unless you already know the definition). Items 4 and 5 look clear but from there to obviousness...
Being visually intuitive is very different to being obvious.
- authoritarian 7y agoThis seems a bit pedantic. I'm certainly not a mathematician but it does seem obvious that you cannot cut a circle into any number of pieces and rearrange it to be a square, as a circle has curves which would prevent you from making the square a solid without gaps
- pfortuny 7y agoNo no; I’m trying to explain that “obviousness” is a bad idea to prove anything... Like “an infinite te has an infinite branch”...