Vaclav Snasel, Department of Computer Science, Palacky University Olomouc, Tomkova 40, 779 00 Olomouc, Czech Republic, e-mail: vaclav.snasel@upol.cz
Abstract: In this paper, we generalize the notion of supremum and infimum in a poset.
Keywords: supremum, infimum, ideal, congruence
Classification (MSC2000): 06A, 06B10
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