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arxiv: math/0106201 · v1 · submitted 2001-06-24 · 🧮 math.LO

Duality Chipped

classification 🧮 math.LO
keywords cardinalslargeprojectivelyprovesalephchippedcontinuumdefined
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Whenever I is a projectively generated projectively defined sigma ideal on the reals, if ZFC+large cardinals proves cov(I)=continuum then ZFC+large cardinals proves non(I)<aleph four.

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