6.12 (1978)

Solved

a) Is a metabelian group countable if it satisfies the weak minimum condition for normal subgroups?
b) Is such a group minimax if it is torsion-free?

Progress

Yes, it is, in both cases (D. I. Zaitsev, L. A. Kurdachenko, A. V. Tushev, Algebra and Logic, 24 (1985), 412–436).

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