¶ Tetrahedron: Four Unique Planes
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Index Entry
Tetrahedron: Four Unique Planes:
“There is a maximum set of four planes nonparallel to one another but omnisymmetrically mutually intercepting. These are the four sets of the unique planes always comprising the isotropic vector matrix. The four planes of the tetrahedron can never be parallel to one another.”
¶ Citations
- RBF rewrite of 30 Oct’72 of SYNERGETICS draft Sec. 971.03 (Gray) of Jan’72. Reinserted at 962.04 (Gray) 17 Nov’72
