Epimorphisms, Definability and Cardinalities

Moraschini, T; Raftery, JG; Wannenburg, JJ

Raftery, JG (corresponding author), Univ Pretoria, Dept Math & Appl Math, Private Bag X20Hatfield, ZA-0028 Pretoria, South Africa.

STUDIA LOGICA, 2020; 108 (2): 255

Abstract

We characterize, in syntactic terms, the ranges of epimorphisms in an arbitrary class of similar first-order structures (as opposed to an elementary c......

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