The Calculus of the Compatibility of Propositions
I. I. Orlov, Werner Stelzner · The Australasian Journal of Logic · 2024
Ivan Efimovič Orlov’s paper “The calculus of the compatibility of propositions”, published in Russian in 1928, is fascinating for anyone interested in the early history of relevance, modal or intuitionistic logic. This is a translation of that paper.