• Mohamed@lemmy.ca
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    2 days ago

    Its a generalisation. A 4d cube is a shape that has the same length in all 4 dimensions. You can also talk of 5d cubes, 6d cubes, etc. These are commonly called n-cubes: a 4-cube is a 4d cube.

    There are also 4D spheres, even though spheres are definitionally 3D. They are called n-spheres.

    • PolarKraken@lemmy.dbzer0.com
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      2 days ago

      robot voice: how many 'd' is <USER_MATERNAL_PROGENITOR> a...cube...within? Ha ha. Ha ha.

      spoiler

      I looked:

      ERROR: unbounded_index
      

      Does not compute. Ha ha.