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_aReck, Erich H. _9150692 |
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_aFrege, Natural Numbers, and Arithmetic's Umbilical Cord _c Erich H. Reck |
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_aFrege, Gottlob _d, 1848-1925 _9132707 |
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_tManuscrito _gvol. 26, nº. 2, 2003, págs. 427-470 _wRev1541 |
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