Algebraic Closure Without Choice

Mathematical Logic Quarterly 38 (1):383-385 (1992)
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Abstract

This note shows that for the proof of the existence and uniqueness of the algebraic closure of a field one needs only the Boolean Ultrafilter Theorem.

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10.1002/malq.19920380136

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Algebraic completion without the axiom of choice.Jørgen Harmse - 2022 - Mathematical Logic Quarterly 68 (4):394-397.

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