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Principles of the Algebra of Logic with Examples by Alexander Macfarlane M.A., D. Sc. (Edin.), F.R.S.E. Read Before the Royal Society of Edinburgh 16th December 1878 and 20th January 1879
出版David Douglas, 1879
URLhttp://books.google.com.hk/books?id=0JyHrgEACAAJ&hl=&source=gbs_api