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Augustus De Morgan

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Mathematician and Logician.

Augustus De Morgan (27 June 1806 – 18 March 1871) was a British mathematician and logician. He formulated De Morgan's laws and introduced the term mathematical induction, making its idea rigorous.


1.) Memoir of Augustus De Morgan. Longmans, Green, and Company. 1882. p. 393. "So you called me an atheist vagabond, fancying that Voltaire was an atheist : he was, in fact, theistic to bigotry, and anti-revolutionist to the same extent."

2.) "There is a word in our language with which I shall not confuse this subject, both on account of the dishonourable use which is frequently made of it, as an imputation thrown by one sect upon another, and of the variety of significations attached to it. I shall use the world Anti-Deism to signify the opinion that there does not exist a Creator who made and sustains the Universe." Augustus De Morgan, An essay on probabilities: and on their application to life contingencies and insurance offices (1838), page 22.

3.) John Beloff (1997). Parapsychology: A Concise History. Palgrave Macmillan. p. 47. ISBN 9780312173760. "He seems an unlikely convert considering that his atheistic views had debarred him from a position at Oxford or Cambridge but his involvement with spiritualism was partly due to his wife, Sophia."