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ruicc 2010/12/31
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Recent Entries Axiomatic Set Theory 9: The Axiom of Choice Nov 15, 2024 The penultimate week of this axiomatic set theory course, based on Lawvereâ€™s Elementary Theory of the Category of Sets. Axiomatic Set Theory 8: Well Ordered Sets Nov 8, 2024 Our ETCS-based but category-free course now reaches the theory of ordinals, a.k.a. well ordered sets. The Icosahedron as a Thurston Polyhedron Nov 5, 2024
ruicc 2010/12/31
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ruicc 2010/12/19
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ruicc 2010/01/06
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ruicc 2009/07/09
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ruicc 2009/05/21
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