Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A proposal to design expert system for the calculations in the domain of
  QFT   Main purposes of the paper are followings: 1) To show examples of the
calculations in domain of QFT via ``derivative rules'' of an expert system; 2)
To consider advantages and disadvantage that technology of the calculations; 3)
To reflect about how one would develop new physical theories, what knowledge
would be useful in their investigations and how this problem can be connected
with designing an expert system.

17
The categories of this paper are: q-fin
6
The categories of this paper are: astro-ph
25
The categories of this paper are: patt-sol
11
The categories of this paper are: hep-lat
4
The categories of this paper are: cond-mat
33
The categories of this paper are: plasm-ph
0
The categories of this paper are: hep-ph
23
The categories of this paper are: solv-int
20
The categories of this paper are: acc-phys
28
The categories of this paper are: alg-geom
5
The categories of this paper are: gr-qc
19
The categories of this paper are: eess
22
The categories of this paper are: chao-dyn
21
The categories of this paper are: adap-org
35
The categories of this paper are: mtrl-th
10
The categories of this paper are: q-bio