"Pseudocomplemented directoids"@en . . . "Pseudocomplemented directoids" . . . "directoid, semilattice, pseudocoml"@en . . . "390940" . . "15310" . "Directoid as a generalization of semilattice was introduced by J.Je\u017Eek and R.Quackenbush. We modify the concept of pseudocomplement for directoids and study several properties: axiomatization, Glivenko congruence and boolean elements"@en . . "Directoid as a generalization of semilattice was introduced by J.Je\u017Eek and R.Quackenbush. We modify the concept of pseudocomplement for directoids and study several properties: axiomatization, Glivenko congruence and boolean elements" . "RIV/61989592:15310/08:10221929" . "4" . "1"^^ . "Z(MSM6198959214)" . "49" . . . "Pseudocomplemented directoids"@en . . "COMMENTATIONES MATHEMATICAE UNIVERSITATIS CAROLINAE" . "7"^^ . "Chajda, Ivan" . "[0D841D6740B7]" . "0010-2628" . "Pseudocomplemented directoids" . . "RIV/61989592:15310/08:10221929!RIV11-MSM-15310___" . . . "1"^^ . . "CZ - \u010Cesk\u00E1 republika" .