Bogdan

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2 Questions

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Intersection of a subring and an ideal

abstract-algebra ring-theory ideals noncommutative-algebra

feb 7 at 14:22 Andrea Mori 8,614

0

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2

answers

143

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Ultrafilters in $\omega$

general-topology set-theory filters

dec 7 at 21:15 Asaf Karagila 90.1k

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