Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Martin's Maximum and the Diagonal Reflection Principle   We prove that Martin's Maximum does not imply the Diagonal Reflection
Principle for stationary subsets of $[ \omega_2 ]^\omega$.

26
The categories of this paper are: bayes-an
6
The categories of this paper are: astro-ph
17
The categories of this paper are: q-fin
28
The categories of this paper are: alg-geom
23
The categories of this paper are: solv-int
8
The categories of this paper are: hep-ex
35
The categories of this paper are: mtrl-th
27
The categories of this paper are: comp-gas
4
The categories of this paper are: cond-mat
36
The categories of this paper are: cmp-lg
3
The categories of this paper are: physics
18
The categories of this paper are: econ
37
The categories of this paper are: supr-con
12
The categories of this paper are: nucl-th
10
The categories of this paper are: q-bio
1
The categories of this paper are: cs