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Showing 1 to 1 of 1 for “"hyperequational theory"”.
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Hyperequational theory for partial algebras
… definitions, concepts and results of the theory of hyperidentities and solid varieties from the total to the partial case. (1) We prove that the operators chi^A_RNF and chi^E_RNF are only monotone and additive and we show that the sets of all fixed points of these operators are …