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richardzach.org | ||
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jdh.hamkins.org
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| | | | | This will be a talk for the Notre Dame Logic Seminar on 6 February 2024, 2:00 pm. Abstract. The principle of covering reflection holds of a cardinal $\kappa$ if for every structure $B$ in a countab... | |
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www.logicmatters.net
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| | | | | "Our external physical reality is a mathematical structure." That's how Wikipedia sums up the cosmologist Max Tegmark's mathematical universe hypothesis. Looks as if some conceptual untangling is needed. Scott Aaronson makes a great start in a wonderful blogpost here. | |
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ncatlab.org
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aradaelli.com
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