UNIVERSAL THEORIES AND COMPACTLY EXPANDABLE MODELS

被引：1

作者：

Casanovas, Enrique ^{[1
]}

Shelah, Saharon ^{[2
,3
]}

机构：

[1] Univ Barcelona, Dept Matemat & Informat, Gran Via 585, E-08007 Barcelona, Spain

[2] Hebrew Univ Jerusalem, Einstein Inst Math, Edmond J Safra Campus, IL-9190401 Jerusalem, Israel

[3] Rutgers State Univ, Dept Math, Hill Ctr Busch Campus,110 Frelinghuysen Rd, Piscataway, NJ 08854 USA

来源：

JOURNAL OF SYMBOLIC LOGIC | 2019年 / 84卷 / 03期

基金：

欧洲研究理事会;

关键词：

logic of countable cofinality; compactly expandable models; universal theories;

D O I：

10.1017/jsl.2019.16

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

Our aim is to solve a quite old question on the difference between expandability and compact expandability. Toward this, we further investigate the logic of countable cofinality.

引用

页码：1215 / 1223

页数：9