THE EXTENDER ALGEBRA AND Σ21 -ABSOLUTENESS ILIJAS FARAH Abstract. We present a self-contained account of Woodin’s extender algebra and its use in proving absoluteness results, including a proof of the Σ21 -absoluten

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Date: 2011-11-29 14:01:35		THE EXTENDER ALGEBRA AND Σ21 -ABSOLUTENESS ILIJAS FARAH Abstract. We present a self-contained account of Woodin’s extender algebra and its use in proving absoluteness results, including a proof of the Σ21 -absoluten Add to Reading List Source URL: www.math.yorku.ca Download Document from Source Website File Size: 366,68 KB Share Document on Facebook