%0 Journal Article %A Klonowski, Mateusz %T A Post-style proof of completeness theorem for symmetric relatedness Logic S %J Bulletin of the Section of Logic %D 2018 %V 47 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/BSL_2018_47_3_a1/ %G en %F BSL_2018_47_3_a1