The class of neat-reducts of cylindric algebras is not a variety but is closed with respect to ${\rm HP}$.
Németi, István
Notre Dame J. Formal Logic, Tome 24 (1983) no. 1, p. 399-409 / Harvested from Project Euclid
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Publié le : 1983-07-14
Classification:  03G15 
@article{1093870384,
     author = {N\'emeti, Istv\'an},
     title = {The class of neat-reducts of cylindric algebras is not a variety but is closed with respect to ${\rm HP}$.},
     journal = {Notre Dame J. Formal Logic},
     volume = {24},
     number = {1},
     year = {1983},
     pages = { 399-409},
     language = {en},
     url = {http://dml.mathdoc.fr/item/1093870384}
}

Németi, István. The class of neat-reducts of cylindric algebras is not a variety but is closed with respect to ${\rm HP}$.. Notre Dame J. Formal Logic, Tome 24 (1983) no. 1, pp.  399-409. http://gdmltest.u-ga.fr/item/1093870384/