Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Some algebraic equivalent forms of $\mathbb{R} \subseteq L$   We study $\Sigma^1_2$ definable counterparts for some algebraic equivalent
forms of the Continuum Hypothesis. All turn out to be equivalent to "all reals
are constructible".

33
The categories of this paper are: plasm-ph
37
The categories of this paper are: supr-con
16
The categories of this paper are: stat
5
The categories of this paper are: gr-qc
7
The categories of this paper are: hep-th
22
The categories of this paper are: chao-dyn
25
The categories of this paper are: patt-sol
28
The categories of this paper are: alg-geom
14
The categories of this paper are: math-ph
23
The categories of this paper are: solv-int
20
The categories of this paper are: acc-phys
18
The categories of this paper are: econ
15
The categories of this paper are: nucl-ex
0
The categories of this paper are: hep-ph
3
The categories of this paper are: physics
13
The categories of this paper are: quant-ph