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Ideas of Michael Hallett, by Text
[British, fl. 1996, Professor at McGill University, Montreal.]
1996
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Introduction to Zermelo's 1930 paper
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p.1213
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p.1213
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17833
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The first-order ZF axiomatisation is highly non-categorical
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p.1215
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p.1215
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17834
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Non-categoricity reveals a sort of incompleteness, with sets existing that the axioms don't reveal
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p.1217
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p.1217
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17837
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Zermelo allows ur-elements, to enable the widespread application of set-theory
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p.1217
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p.1217
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17836
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The General Continuum Hypothesis and its negation are both consistent with ZF
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