Аннотация
We give a sufficient condition for a quasivariety K, weaker than the one found earlier by A. V. Kravchenko, A. M. Nurakunov, and the author, which ensures that K contains continuum many subquasivarieties with no independent quasi-equational basis relative to K. This condition holds, in particular, for any almost f f-universal quasivariety K.
Язык оригинала | английский |
---|---|
Страницы (с-по) | 514-537 |
Число страниц | 24 |
Журнал | Algebra and Logic |
Том | 58 |
Номер выпуска | 6 |
DOI | |
Состояние | Опубликовано - 1 янв 2020 |