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Published online by Cambridge University Press: 20 January 2009
1. Points, n in number, A, B, C, D, E, … ., are taken at random in a plane, and through each is drawn a line in a random direction. The only condition imposed is that no two of these lines may be parallel.
(i). Two points A, B, define a circle S (AB) which passes through A, B and the intersection of the random lines through A and B. Its centre is denoted by (AB). Each pair of the points gives such a circle and centre.
page 79 note 1 De Longchamps, , Noaville correspondence mathématique, 3 (1877), 306 and 340. Published in Brussels; the periodical is now continued under the title Mathexis.Google Scholar
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