On a theorem in the theory of relations and a solution of a problem of Knaster
On a theorem of Baumgartner and Weese
On a theorem of Jones and Heath concerning separable normal spaces
On a unification problem related to Kreisel's conjecture
On a universal axiomatization of the real closed fields
This paper presents a natural axiomatization of the real closed fields. It is universal and admits quantifier elimination.
On a variety of infinite algebras
On a weak Kelley-Morse theory of classes
On a weakening of Markov's principle.
On absolutely divergent series
We show that in the -stage countable support iteration of Mathias forcing over a model of CH the complete Boolean algebra generated by absolutely divergent series under eventual dominance is not isomorphic to the completion of P(ω)/fin. This complements Vojtáš’ result that under the two algebras are isomorphic [15].
On absolutely measurable sets
On absolutely operations
On acyclic hypergraphs of minimal prime models.
On algebras of relations
On almost equitable uninorms
Uninorms, as binary operations on the unit interval, have been widely applied in information aggregation. The class of almost equitable uninorms appears when the contradictory information is aggregated. It is proved that among various uninorms of which either underlying t-norm or t-conorm is continuous, only the representable uninorms belong to the class of almost equitable uninorms. As a byproduct, a characterization for the class of representable uninorms is obtained.
On almost invariant subsets of the real line
On almost-free modules over complete discrete valuation rings
On an algebraic and Kripke semantics for intermediate logics
On an equivalence of fuzzy subgroups. III.
On an extremal characterization of partitions
On an extremely restricted ω-rule