Urgent.News

What's breaking now, across thousands of outlets.

Science

Which infinity is bigger? Under alternative mathematical rules, a 2D map emerges

It is one of the great questions of mathematics: What does "infinity" actually mean? Which infinities are larger than others? Can infinities be arranged in a sequence, like the rungs of an endless ladder, so that for any two of them we can always say which one lies above the other?

Which infinity is bigger? Under alternative mathematical rules, a 2D map emerges

We haven't written up this one. Phys.org has the full story — the link below goes straight to it.

Read the original at phys.org →

More in Science

More from Thursday 5 November →