Gödel's Incompleteness Theorems/Second

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Theorem

Let $T$ be the set of theorems of some recursive set of sentences in the language of arithmetic such that $T$ contains minimal arithmetic.

Let $\map {\mathrm {Cons} } T$ be the propositional function which states that $T$ is consistent.

Then it is not possible to prove $\map {\mathrm {Cons} } T$ by means of formal statements within $T$ itself.


Proof


Also see


Source of Name

This entry was named for Kurt Friedrich Gödel.


Sources