¶ Spherical Triangle Sequence (2)
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Index Entry
"questionable now. As for those foreigners, well, they’re awful. They’re very unreliable. Now I want you to see how we really build prejudice, how easy it is in terms of the superficial assumption of the reality of this great plane-- that this is a safe place to start children off. Now I want you to realize that when we made that closed line we did it on a blackboard and I did it with a piece of crayon, and this blackboard ends and goes around to the other side. It has another side here /(He knocks on it.) and it has edges§ on it. It is a system. This blackboard, I can take it off here§, and I find that it is a system. It has insideness and outside ness and is fairly thick-- about a quarter of an inch. And I’m still inside it. So it is a system even though it’s an asymmetrical system. When I take a unit system it has a unit surface. When I draw a closed line on a system which is a unit surface I divide the whole area of that system, the whole surface area, into two areas. There is the rest of the board here that is an area bound by this closed line of three edges and three angles.
“So this is white inside here and all the rest is green.”
