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Δ-extension and Hanf-numbers - MaRDI portal

Δ-extension and Hanf-numbers (Q3671952)

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scientific article
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English
Δ-extension and Hanf-numbers
scientific article

    Statements

    title
    Δ-extension and Hanf-numbers (English)
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    author
    Jouko Väänänen
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    publication date
    1983
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    zbMATH Keywords
    Haertig-quantifier
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    implicit definability in extensions of elementary logic
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    projective class
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    delta-definable class
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    interpolation-properties
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    Loewenheim-Skolem property
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    Hanf number
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    abstract logic
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    Identifiers

    Mathematics Subject Classification ID
    03C95
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    03C80
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    03C40
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    03C75
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    03C55
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    zbMATH DE Number
    3825778
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    OpenAlex ID
    W1000055408
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