Semi-Cohen Versus Cohen Algebras
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Publication:6502059
arXivmath/9411208MaRDI QIDQ6502059
Abstract: We show that there are semi-Cohen Boolean algebras which cannot be completely embedded into Cohen Boolean algebras. Using the ideas from this proof, we give a simpler argument for a theorem of S. Koppelberg and S. Shelah, stating that there are complete subalgebras of Cohen algebras which are not Cohen themselves.
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