On extending automorphisms of models of Peano Arithmetic

Wydawnictwa / Czasopisma IMPAN / Fundamenta Mathematicae / Wszystkie zeszyty

Roman Kossak, Henryk Kotlarski Fundamenta Mathematicae 149 (1996), 245-263 DOI: 10.4064/fm-149-3-245-263

Continuing the earlier research in [10] we give some information on extending automorphisms of models of PA to end extensions and cofinal extensions.