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New non-free Whitehead groups (corrected version) - MaRDI portal

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New non-free Whitehead groups (corrected version)

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Publication:6502469

arXivmath/9711221MaRDI QIDQ6502469

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Abstract: We show that it is consistent that there is a strongly aleph_1-free aleph_1-coseparable group of cardinality aleph_1 which is not aleph_1-separable.












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