Central Angles & Surface Angles

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RBF Definitions

". . . Topological domains are clearly defined in terms of

the systems involved having unique centrally angled

insideness and surface angle defined outsideness."

(N.B. After RBF wrote above marginalia he told

EJA that this was the first time he had made the

identification of central angle with insideness.)

Citations

1. RBF re-write of SYNERGETICS, Sec.\href, 20 Dec. 1971. at 3200 Idaho, Washington, DC.