Extendible cardinal
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In mathematics, a cardinal number κ is η-extendible iff for some λ there is a nontrivial elementary embedding of
- Vκ+η
into
- Vλ.
κ is an extendible cardinal iff it is η-extendible for every ordinal number η.
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In mathematics, a cardinal number κ is η-extendible iff for some λ there is a nontrivial elementary embedding of
into
κ is an extendible cardinal iff it is η-extendible for every ordinal number η.
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