Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Gregory Trees, The Continuum, And Martin's Axiom   We continue the investigation of Gregory trees and the Cantor Tree Property
carried out by Hart and Kunen. We produce models of MA with the Continuum
arbitrarily large in which there are Gregory trees, and in which there are no
Gregory trees.

33
The categories of this paper are: plasm-ph
19
The categories of this paper are: eess
26
The categories of this paper are: bayes-an
1
The categories of this paper are: cs
0
The categories of this paper are: hep-ph
31
The categories of this paper are: ao-sci
3
The categories of this paper are: physics
28
The categories of this paper are: alg-geom
6
The categories of this paper are: astro-ph
21
The categories of this paper are: adap-org
15
The categories of this paper are: nucl-ex
27
The categories of this paper are: comp-gas
10
The categories of this paper are: q-bio
8
The categories of this paper are: hep-ex
35
The categories of this paper are: mtrl-th
11
The categories of this paper are: hep-lat