01216nam2-2200385li-450 99000019078020331620180312154804.00-521-45206-60019078USA010019078(ALEPH)000019078USA0100190782001997041997-------y0itay0103----baengGBSperner theoryKonrad EngelCambridgeUniversity Presscopyr. 1997IX, 417 pill23 cmEncyclopedia of mathematics and its applications6500100190732001Encyclopedia of mathematics and its applicationsinsiemi511324Algebra degli insiemi (Algebra Booleana)Engel,Konrad536906Sistema bibliotecario di Ateneo dell' Università di SalernoRICA990000190780203316519 EMA (65)20070/CBS51900221273BKSCI1997042120001110USA01171320020403USA011626PATRY9020040406USA011614RSIAV69020090520USA011301Sperner theory924024UNISA