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zbMath0587.03042MaRDI QIDQ3714076

Petr Hájek

Publication date: 1984

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

self-reference conservativity truth definition initial segments Gödel's Incompleteness Theorem length of proofs bounded formula witness for a proof of contradiction

Mathematics Subject Classification ID

First-order arithmetic and fragments (03F30) Nonstandard models of arithmetic (03H15) Complexity of proofs (03F20)

Related Items

Duality, non-standard elements, and dynamic properties of r.e. sets, Injecting inconsistencies into models of PA

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