Abstract
A finite lattice is interval dismantlable if it can be partitioned into an ideal and a filter, each of which can be partitioned into an ideal and a filter, etc., until you reach 1-element lattices. In this note, we find a quasi-equational basis for the pseudoquasivariety of interval dismantlable lattices, and show that there are infinitely many minimal interval non-dismantlable lattices.
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Adaricheva, K., Hyndman, J., Lempp, S. et al. Interval Dismantlable Lattices. Order 35, 133–137 (2018). https://doi.org/10.1007/s11083-017-9422-7
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DOI: https://doi.org/10.1007/s11083-017-9422-7