 6-simplex   
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 Truncated 6-simplex
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 Bitruncated 6-simplex
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 Tritruncated 6-simplex
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| Orthogonal projections in A7 Coxeter plane | ||
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In six-dimensional geometry, a truncated 6-simplex is a convex uniform 6-polytope, being a truncation of the regular 6-simplex.
There are unique 3 degrees of truncation. Vertices of the truncation 6-simplex are located as pairs on the edge of the 6-simplex. Vertices of the bitruncated 6-simplex are located on the triangular faces of the 6-simplex. Vertices of the tritruncated 6-simplex are located inside the tetrahedral cells of the 6-simplex.