Relevant logic was a topic of my candidate of sciences' dissertation undertaken in the Moscow State University under the supervision of prof.E.Voishvillo. You can dowlnoad an overview of the thesis
Informational and Algebraic Approaches to the Analysis of the Logical Entailment in Classical and Relevant Logic.
As a research scholar in 1993-1994 I had a program "Informational analysis of relevant entailment" under the supervision of
at the Department of Philosophy, Univeristy of Pittsburgh.
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