%0 Journal Article %A Petr Hájek %T Degrees of dependence in the theory of semisets. %J Fundamenta Mathematicae %D 1974 %P 11-24 %V 82 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-82-1-11-24/ %R 10.4064/fm-82-1-11-24 %G en %F 10_4064_fm_82_1_11_24