Yes. The "n-tetrahedron" is usually called the simplex, and the "n-octahedron" i... | Hacker News

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		nhaehnle on Nov 24, 2017 \| parent \| context \| favorite \| on: The sequence 1 1 ∞ 5 6 3 3 3 Yes. The "n-tetrahedron" is usually called the simplex, and the "n-octahedron" is usually called the cross-polytope.

grkvlt on Nov 24, 2017 [–]

And the "n-cube" is the "measure-polytope" because you can use squares to measure 2-space, cubes to measure 3-space, hypercubes for 4-space and so on...

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