Löwenheim–Skolem theorem

ID: lowenheim-skolem-theorem

The Löwenheim–Skolem theorem is a fundamental result in model theory, a branch of mathematical logic. It describes the relationship between first-order logic, models, and cardinalities (sizes) of structures. There are two versions of the theorem: the downward Löwenheim–Skolem theorem and the upward Löwenheim–Skolem theorem.

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