This morning's train ride mutterings...
The Wand is erect, and must extend to Infinity.
The surface of the water is flat, and must extend to Infinity.
One is the line, the other the plane. -- ABA "The Cup"
The intersection of a plane with its normal is a point.
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The surface of the water is flat, and must extend to Infinity.
One is the line, the other the plane. -- ABA "The Cup"
The intersection of a plane with its normal is a point.
( Read more... )
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