ColinWright
9 hours ago
In case you're wondering where problem 23 might be, problems 19, 20, and 23 are listed together.
Solved and Unsolved: The Status of Hilbert's 23 Problems in Mathematics
4 pointsposted 9 hours ago
by nill09 hours ago
In case you're wondering where problem 23 might be, problems 19, 20, and 23 are listed together.