Talk:Simple polytope

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Polyhedra

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Is the definition right?

Latest comment: 16 years ago2 comments2 people in discussion

The tetrahedron, octahedron, and icosahedron have vertex/edge "valencies" of 3, 4, 5 respectively. Yet they are all 3-dimensional. Is this a mistake - or have I missed something?

Also one can have a simplex in any dimension, not only polygons.

Looking foreward to response. SteveWoolf (talk) 13:05, 6 November 2008 (UTC)Reply

I don't know where this definition came from. I added Template:Unreferenced. Besides that inconvenience I don't understand your question. Tom Ruen (talk) 16:33, 6 November 2008 (UTC)Reply

Simple Polyhedron?

Latest comment: 14 years ago2 comments2 people in discussion

"this is simply false, and not even following the reference provided"

Please provide further explanation. The sited reference and all others I have found except this one refer to simple polyhedra as being topologically equivalent to a sphere, and make no mention of adjacency to 3 edges or faces. Perhaps there are alternative definitions of the term but it seems unlikely all others are incorrect. —Preceding unsigned comment added by 87.113.13.78 (talk) 22:00, 24 January 2009 (UTC)Reply

The Cromwell reference, p.341 defines simplex polyhedra as 3-valant, and simplical polyhedra as triangular faced. Tom Ruen (talk) 19:26, 15 October 2010 (UTC)Reply

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