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the mathematical discipline that applies mathematical methods to the study of mathematical theories themselves.

4 votes
0 answers
153 views

Are the relations of being homeomorphic or being homotopy equivalent on the compact polyhedr...

Let $ K(\mathbb{N}) $ denote the set of all finite simplicial complexes with vertices in $\mathbb{N}$. Let $ f\colon \mathbb{N} \to K(\mathbb{N}) $ be a computable bijection. Let $ R $ = { $ (m, n) $ …
Juan Atacama's user avatar
6 votes
1 answer
216 views

Is the statement that every convex complete metric space has midpoints equivalent to the axi...

We say that a point $m$ is between points $p$ and $q$ of a metric space $(M, d)$ if $d(p, q) = d(p, m) + d(m, q)$ and $p ≠ m ≠ q$. Furthermore, if the equality $d(p, m) = d(m, q)$ holds for $m$, we sa …
Juan Atacama's user avatar
11 votes
3 answers
755 views

Is every recursively axiomatizable and consistent theory interpretable in the true arithmeti...

I am looking for a scholarly text that discusses this issue in detail.
Juan Atacama's user avatar