Tetrahedron

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Index Entry

Tetrahedron:

"It is a synergetic characteristic of minimum structural systems (tetra) that the system is not stable until the last strut is introduced. Redundancy cannot be determined by energetic observation of behaviors of single struts (beams or columns) or any chain-linkage of same which are less than six in number, or less than tetrahedron."

Citations

1. RBF undated holograph on M.I.T. memo pad. (1950's)