Aleister Crowley Diary Entry Sunday, 9 May 1937
Spent night with Collings etc. The Abbe: his "toute petite epreuve" 1 plus 2 p 22 p 23 plus . . . plus 2n is composite when n plus 1 is composite. P.S. This is a well-known proposition: see any good text-book. Silly cheat!
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