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Ulrich Felgner [9]U. Felgner [3]
  1. The Independence of the Prime Ideal Theorem From the Order-Extension Principle.U. Felgner & J. K. Truss - 1999 - Journal of Symbolic Logic 64 (1):199-215.
    It is shown that the boolean prime ideal theorem BPIT: every boolean algebra has a prime ideal, does not follow from the order-extension principle OE: every partial ordering can be extended to a linear ordering. The proof uses a Fraenkel-Mostowski model, where the family of atoms is indexed by a countable universal-homogeneous boolean algebra whose boolean partial ordering has a `generic' extension to a linear ordering. To illustrate the technique for proving that the order-extension principle holds in the model we (...)
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    Models of Zf-Set Theory.Ulrich Felgner - 1971 - New York: Springer Verlag.
  3.  16
    Über das Ordnungstheorem.Ulrich Felgner - 1971 - Zeitschrift fur mathematische Logik und Grundlagen der Mathematik 17 (1):257-272.
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    Über das Ordnungstheorem.Ulrich Felgner - 1971 - Mathematical Logic Quarterly 17 (1):257-272.
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  5. On ℵ0-Categorical Extra-Special P-Groups.Ulrich Felgner - 1975 - Logique Et Analyse 18 (71-72):407-428.
     
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    Shelah Saharon. Infinite Abelian Groups, Whitehead Problem and Some Constructions. Israel Journal of Mathematics, Vol. 18 , Pp. 243–256.Shelah Saharon. A Compactness Theorem for Singular Cardinals, Free Algebras, Whitehead Problem and Transversals. Israel Journal of Mathematics, Vol. 21 , Pp. 319–349.Shelah Sharaon. Whitehead Groups May Be Not Free, Even Assuming CH, I. Israel Journal of Mathematics, Vol. 28 , Pp. 193–204.Shelah Saharon. Whitehead Groups May Not Be Free Even Assuming CH, II. Israel Journal of Mathematics, Vol. 35 , Pp. 257–285.Shelah Saharon. On Uncountable Abelian Groups. Israel Journal of Mathematics, Vol. 32 , Pp. 311–330.Ben-David Shai. On Shelah's Compactness of Cardinals. Israel Journal of Mathematics, Vol. 31 , Pp. 34–56 and P. 394.Hiller Howard L. And Shelah Saharon. Singular Cohomology in L. Israel Journal of Mathematics, Vol. 26 , Pp. 313–319.Hiller Howard L., Huber Martin, and Shelah Saharon. The Structure of Ext and V = L. Mathematische Zeitschrift, Vol. 16. [REVIEW]Ulrich Felgner - 1986 - Journal of Symbolic Logic 51 (4):1068-1070.
  7. Cherlin Greg. Model Theoretic Algebra. Selected Topics. Lecture Notes in Mathematics, Bd. 521. Springer-Verlag, Berlin, Heidelberg, Und New York, 1976, IV + 234 S. [REVIEW]Ulrich Felgner - 1982 - Journal of Symbolic Logic 47 (1):222-223.
  8. [Omnibus Review].Ulrich Felgner - 1986 - Journal of Symbolic Logic 51 (4):1068-1070.
  9. Review: Greg Cherlin, Model Theoretic Algebra. Selected Topics. [REVIEW]Ulrich Felgner - 1982 - Journal of Symbolic Logic 47 (1):222-223.
     
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