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Modal operators on Heyting algebras. (English) Zbl 0459.06005

06D20 Heyting algebras (lattice-theoretic aspects)
06B10 Lattice ideals, congruence relations
06B23 Complete lattices, completions
54A05 Topological spaces and generalizations (closure spaces, etc.)
Full Text: DOI
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[8] Macnab, D. S.,An Algebraic Study of Modal Operators on Heyting Algebras with Applications to Topology and Sheafification, Ph.D. Thesis, Aberdeen, 1976.
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