2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/115253In this paper we study a relationship between elementary equivalence of endomorphism rings of Abelian p-groups and second order equivalence of the corresponding Abelian p-groups.69 pagesGroup TheoryLogic20K10; 03C60Elementary Equivalence of Endomorphism Rings of Abelian p-Groupstext