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This tag is used if a reference is needed in a paper or textbook on a specific result.

10 votes

Comparative analysis of history of mathematics

Jeremy Gray has written a few things that might fit into this category, including the following. Plato's Ghost: The Modernist Transformation of Mathematics. The book's thesis is that "1890 to 1930 sa …
Benedict Eastaugh's user avatar
10 votes

Book recommendation introduction to model theory

I quite like Wilfrid Hodges's A Shorter Model Theory (Cambridge University Press, 1997). It covers all the topics you mention, while also tackling a few more advanced ones in the final chapter. The bo …
Benedict Eastaugh's user avatar
5 votes
1 answer
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Attribution of an equivalence of the existence of omega-models of RCA0

There are many well-known equivalences in reverse mathematics between statements of the form "Every set is contained a countable coded $\omega$-model of $T$" and $S$, where $S, T$ are subsystems of se …
Benedict Eastaugh's user avatar
5 votes

Equivalences between statements of (seemingly) different order

When we say "with set parameters" I take it that what we really mean is something of the form: the axioms of (e.g.) the $\Sigma^0_1$ induction scheme are the universal closures of all formulas of the …
Benedict Eastaugh's user avatar
2 votes

Reference Request: Non-Standard Models of PA

Peter Smith has a pretty good handout on Tennenbaum's theorem that I found useful when learning that material. As others have mentioned, Richard Kaye's Models of Peano Arithmetic is the go-to referenc …
Benedict Eastaugh's user avatar