I’m saying the opposite—you can’t rank the difficulty of unsolved problems if you don’t know what’s required to solve them. That’s what yet-to-be-discovered means, you don’t know the missing bit, so you can’t compare.
I’m saying the opposite—you can’t rank the difficulty of unsolved problems if you don’t know what’s required to solve them. That’s what yet-to-be-discovered means, you don’t know the missing bit, so you can’t compare.