Re: [math-fun] Lifted from Littlewood, hacked from Hacking

I remember how the proof starts: Look at the bottom face of the cube and how it's dissected into squares. Jim Propp On Tuesday, February 7, 2017, Fred Lunnon <fred.lunnon@gmail.com> wrote:

I had seen this before, long ago, but then forgotten it.

A square can be dissected into finitely many unequal squares, but a cube cannot be dissected into finitely many unequal cubes.

Why not?

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