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Ultra LI-ideals in lattice implication algebras

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Abstract

We define an ultra LI-ideal of a lattice implication algebra and give equivalent conditions for an LI-ideal to be ultra. We show that every subset of a lattice implication algebra which has the finite additive property can be extended to an ultra LI-ideal.

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Qin, K., Xu, Y. & Jun, Y.B. Ultra LI-ideals in lattice implication algebras. Czechoslovak Mathematical Journal 52, 463–468 (2002). https://doi.org/10.1023/A:1021759209277

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  • DOI: https://doi.org/10.1023/A:1021759209277

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