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arxiv: math/0106203 · v1 · submitted 2001-06-25 · 🧮 math.LO

Countable Support Iteration Revisited

classification 🧮 math.LO
keywords countableiterationpropertiessupportaddingclassdefinableforcing
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Whenever P is a proper definable forcing for adding a real, the countable support iteration of P has all the preservation properties it can possibly have, within a wide syntactically identified class of properties.

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