Contents of Number 1
Volume 138 / 1991
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Comparing $∏^0_2$ sets of the Baire space by means of general recursive operators Fundamenta Mathematicae 138 (1991) , 1-12 DOI: 10.4064/fm-138-1-1-12
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The Hahn-Banach theorem implies the existence of a non-Lebesgue measurable set Fundamenta Mathematicae 138 (1991) , 13-19 DOI: 10.4064/fm-138-1-13-19
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The Hahn-Banach theorem implies the Banach-Tarski paradox Fundamenta Mathematicae 138 (1991) , 21-22 DOI: 10.4064/fm-138-1-21-22
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Ideals of the second category Fundamenta Mathematicae 138 (1991) , 23-26 DOI: 10.4064/fm-138-1-23-26
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The space of Lipschitz maps from a compactum to an absolute neighborhood LIP extensor Fundamenta Mathematicae 138 (1991) , 27-34 DOI: 10.4064/fm-138-1-27-34
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Caractérisation topologique de l'espace des fonctions dérivables Fundamenta Mathematicae 138 (1991) , 35-58 DOI: 10.4064/fm-138-1-35-58
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Collectionwise Hausdorffness at limit cardinals Fundamenta Mathematicae 138 (1991) , 59-67 DOI: 10.4064/fm-138-1-59-67