© Outi Pyhäranta / Ilta-SanomatOn August 12, at the age of 86, the Finnish philosopher and mathematician Yaakko Hintikka died.
This was reported by the National Broadcasting Company of Finland Yle .
Yaakko Khintikka was born in 1929 in the city of Vanta near Helsinki, was educated at the University of Helsinki and Williams College in the United States, in 1953 he defended his dissertation under the leadership of the Finnish philosopher and the logic of George von Vrigt.
He worked at Helsinki and Stanford universities and at the University of Florida, since 1990 he was a professor at Boston University. The author of numerous works on mathematical logic, formal semantics, philosophy of language and epistemology, a member of the Finnish Academy of Sciences and Arts (1961), the Academy of Finland (1970), the American Academy of Sciences and Arts (1974), the Norwegian Academy of Sciences and Arts (1991), the Russian Academy of Sciences (1999).
Along with the Solu Cripka, Yaakko Hintikka created a semantic of possible worlds, which became widely used in logical studies, developed the theory of distribution normal forms, as well as the so-called IF logic, which allows you to revise the foundations of modern mathematics, linguistics and the theory of inductive reasoning. The most recognized achievement of the scientist is considered the theoretical and game semantics based on the concept of linguistic games of Ludwig Wittgenstein.
Until the last days, Yaakko Khintikka continued to actively engage in scientific activities: just a week ago he spoke at two international conferences at the University of Helsin.