科研之友
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摘要
We obtain an equiconsistency for it weak form of universal indestructibility for strongness. The equiconsistency is relative to it cardinal weaker in consistency strength than a Woodin cardinal. Stewart Baldwin's notion of hyperstrong cardinal. We also briefly indicate how our methods are applicable to universal indestructibility for supercompactness and strong compactness.
- 出版日期2010-3
