Talk:Envelope (mathematics)

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Interesting, but I can find only one mention of it because "cyclic" (even cyclid/cyclide) is such a common word. take a circle and a curve that does not come into the circle. Take the circles that are centered on the curve and orthogonal to the given circle. The envelope of those circles is the cyclic. 142.177.169.115 19:27, 13 Aug 2004 (UTC)

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