Abstract
Volgograd State Socio-Pedagogical University, Russia, 400066, Volgograd, Lenin Ave., 27, rasal@fizmat.vspu.ruA class of algebraic systems is said to be a formation if it is closed under homomorphic images and finite subdirect products. It hasbeen proven that any formation of at most countable monounary algebras is a hereditary formation.Key words: unar, formation, hereditary formation.
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Schedule a callMore From: Izvestiya of Saratov University. Mathematics. Mechanics. Informatics
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