New non-free Whitehead groups (corrected version)
classification
🧮 math.LO
math.RA
keywords
alephcardinalityconsistentcorrectedcoseparablefreegroupgroups
read the original 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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