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Some new intuitionistic equivalents of Zorn's Lemma - MaRDI portal

Some new intuitionistic equivalents of Zorn's Lemma (Q1423638)

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scientific article; zbMATH DE number 2051465
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English
Some new intuitionistic equivalents of Zorn's Lemma
scientific article; zbMATH DE number 2051465

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    Some new intuitionistic equivalents of Zorn's Lemma (English)
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    7 March 2004
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    The author establishes the equivalence within IZF (intuitionistic set theory) of Zorn's Lemma with two statements, one a fixed point property for certain self-adjoint maps on complete lattices, the other the existence of a clique for any reflexive symmetric binary relation.
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    Zorn's Lemma
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    intuitionistic ZF
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