Tag

elementary substructure

1 resource tagged “elementary substructure” across the knowledge library.

1 item

Guide6 Aug 2026Elementary Substructures and the Lowenheim-Skolem TheoremsElementary substructures and extensions, the Tarski–Vaught test, the downward and upward Löwenheim–Skolem theorems, and the Skolem paradox.6 min readRead More