Platon Poretsky

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Platon Poretsky

Platon Sergeevich Poretsky (Russian: Платон Серге́евич Порецкий; October 3, 1846 in Elisavetgrad – August 9, 1907 in Chernihiv Governorate) was a noted Russian astronomer, mathematician, and logician.

Graduated from Kharkov University, he worked in Astrakhan and Pulkovo[disambiguation needed].

Later, as an astronomer at Kazan University, following the advice of his older colleague Professor of Mathematics A.V. Vasiliev at Kazan University (father of Nicolai A. Vasiliev) to learn the works of George Boole, Poretsky developed "logical calculus" and through specific "logical equations" applied it to the theory of probability. Thus, he extended and augmented the works of logicians and mathematicians George Boole, William Stanley Jevons and Ernst Schröder. He discovered Poretsky's law of forms and gave the first general treatment of antecedent and consequent Boolean reasoning,[1] laying the groundwork for Archie Blake's work on the Blake canonical form.


  1. Platon Poretsky, "Sept lois fondamentales de la théorie des égalités logiques", Bulletin de la Société Physico-Mathématique de Kasan, 2:8:33–103, 129–181, 183–216, 1898, as cited in Frank Markham Brown, Boolean Reasoning: The Logic of Boolean Equations, 2nd edition, 2003, p. 77


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