Augustin Sesmat ( Dieulouard -- ) was a French

mathematician A mathematician is someone who uses an extensive knowledge of mathematics in their work, typically to solve mathematical problems. Mathematicians are concerned with numbers, data, quantity, structure, space, models, and change. History On ...

and

logician Logic is the study of correct reasoning. It includes both formal and informal logic. Formal logic is the science of deductively valid inferences or of logical truths. It is a formal science investigating how conclusions follow from premises ...

. He was professor of history and

criticism of science Criticism of science addresses problems within science in order to improve science as a whole and its role in society. Criticisms come from philosophy, from social movements like feminism, and from within science itself. The emerging field of ...

at the

Institut Catholique de Paris The Institut Catholique de Paris (ICP), known in English as the Catholic University of Paris (and in Latin as ''Universitas catholica Parisiensis''), is a private university located in Paris, France. History: 1875–present The Institut Catholiq ...

in the 1930s. He was probably the first person to discover the

logical hexagon Logic is the study of correct reasoning. It includes both formal and informal logic. Formal logic is the science of deductively valid inferences or of logical truths. It is a formal science investigating how conclusions follow from premises ...

, thus solving a problem posed by Aristotle.

Works

* ''Le système absolu classique et les mouvements réels'', 1936. * ''Logique. I. Les définitions, les jugements'' . ouvrage publiés avec le concours de CNRS, Paris, 1950, 359 pp. * ''Logique. II. Les raisonnements, la logistique'' . Hermann & Cie, Paris,1951, pp. 361–776. * ''Dialectique, Hamelin et la philosophie chrétienne,'' Bloud & Gay , Paris,1955, 38 pp.

References

French mathematicians French logicians French philosophers French male writers 1885 births 1957 deaths 20th-century French male writers {{France-mathematician-stub