Instruct: Identify the main and secondary category of Arxiv papers based on the titles
Query: Counterfactuals in Quantum Mechanics   A review of the term "counterfactuals" in various contexts of quantum
mechanics.

28
The categories of this paper are: alg-geom
36
The categories of this paper are: cmp-lg
15
The categories of this paper are: nucl-ex
16
The categories of this paper are: stat
29
The categories of this paper are: funct-an
20
The categories of this paper are: acc-phys
30
The categories of this paper are: q-alg
2
The categories of this paper are: math
11
The categories of this paper are: hep-lat
22
The categories of this paper are: chao-dyn
9
The categories of this paper are: nlin
12
The categories of this paper are: nucl-th
3
The categories of this paper are: physics
1
The categories of this paper are: cs
18
The categories of this paper are: econ
37
The categories of this paper are: supr-con