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Congruence relations, filters, ideals, and definability in lattices of α-recursively enumerable sets
The Journal of Symbolic Logic, 1976Throughout this paper, α will denote an admissible ordinal. Let (α) denote the lattice of α-r.e. sets, i.e., the lattice whose elements are the α-r.e. sets, and whose ordering is given by set inclusion. Call a set A ∈ (α)α*-finite if it is α-finite and has ordertype < α* (the Σ1-projectum of α). The α*-finite sets form an ideal of (α), and factoring
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Ideals and congruence relations in lattices
Acta Mathematica Academiae Scientiarum Hungaricae, 1958Grätzer, G., Schmidt, E. T.
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Some Contributions of Congruence Relations on Lattice of Fuzzy ℓ-ideals
Applied Mathematics & Information Sciences, 2017P. Bharathi +3 more
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Triangular norm decompositions through methods using congruence relations
International Journal of General Systems, 2022Funda Karaçal, Kübra Karacair
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Lattice structure on fuzzy congruence relations of a hypergroupoid
Information Sciences, 2007Mahmood Bakhshi, R A Borzooei
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Certain relations on the congruence lattice of a completely regular semigroup
Semigroup Forum, 2014Mariio Petrich
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Using congruence relations to extract knowledge from concept lattices
Discrete Applied Mathematics, 2018Karell Bertet, Christophe Demko
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Representation of lattices by fuzzy weak congruence relations
Fuzzy Sets and Systems, 2015Vanja Stepanović, Andreja Tepavčević
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