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A topological shuttle between inequalities and pseudoinequalities

Gomes, Gracinda M. S.; Bernardo H. Fernandes

Semigroup Forum, 102, no. 3, 916–924 (2021), 916–924
https://link.springer.com/article/10.1007%2Fs00233-021-10167-0

Topological procedures to relate pseudoinequalities that define a pseudovariety of ordered algebras with inequalities that ultimately define it, and vice-versa, are presented.