2 ms·

So basically an egg of Columbus: https://en.m.wikipedia.org/wiki/Egg_of_Columbus https://en.m.wikipedia.org/wiki/Egg_of_Columbus And even in computer science y

So basically an egg of Columbus: https://en.m.wikipedia.org/wiki/Egg_of_Columbus https://en.m.wikipedia.org/wiki/Egg_of_Columbus And even in computer science you have that kind of inequality of difficulty of problem and solution: NP is the class of problems in which solutions can be checked if they are correct in polinomial time.

MereInterest 10y ago
Something a bit stronger than the Egg of Columbus, I think. With the Egg, anybody can do it once they see how it is done. Here, anybody can do it once they see that it can be done.