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- Language: German
- Year: 1988
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- Year: 2001
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- Language: English
- Year: 1980
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- Year: 1892
Die Grundlagen der Arithmetik: Eine logisch mathematische Untersuchung über den Begriff der Zahl
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- Author: Gottlob Frege
- Language: German
- Year: 1884
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- Language: German
- Year: 1966
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- Year: 2009
- Author: Gottlob Frege
- Language: Italian
- Year: 1973
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- Year: 1971