Invisible

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Index Entry

Invisible:

"As a consequence of its uniquely unopposed diametric vertexing--ergo permitted-- diametric exit, only the tetrahedron among all the symmetric polyhedra can turn itself inside-out pulsatingly and can do so in eight different ways (see 624.00624 and in each instance, as it does so, one-half of its combined concave-convex unity 'twoness' is always inherently invisible."

Citations

1. Octahedron as Model of Doubleness of Unity, (2), 16 Dec'73
2. SYNERGETICS draft at Sec. 905.43 (Gray) 16 Dec 73