%0 Journal Article %A Wójcicki, Ryszard %T Three Doctrines of the Nature of Mathematics (Some Comments of a Knowledge Theorist) %J Bulletin of the Section of Logic %D 2017 %V 46 %N 1-2 %I mathdoc %U http://geodesic.mathdoc.fr/item/BSL_2017_46_1-2_a8/ %G en %F BSL_2017_46_1-2_a8