Sochor, A. Real classes in the ultrapower of hereditarily finite sets. (English) Zbl 0327.02047 Commentat. Math. Univ. Carol. 16, 637-640 (1975). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 03C68 Other classical first-order model theory 03H99 Nonstandard models 11U07 Ultraproducts (number-theoretic aspects) 03E35 Consistency and independence results PDF BibTeX XML Cite \textit{A. Sochor}, Commentat. Math. Univ. Carol. 16, 637--640 (1975; Zbl 0327.02047) Full Text: EuDML OpenURL