Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A pilot study of the use of LogEx, lessons learned   LogEx is a learning environment that supports students in rewriting
propositional logical formulae, using standard equivalences. We organized a
pilot study to prepare a large scale evaluation of the learning environment. In
this paper we describe this study, together with the outcomes, which teach us
valuable lessons for the large scale evaluation.

27
The categories of this paper are: comp-gas
18
The categories of this paper are: econ
17
The categories of this paper are: q-fin
12
The categories of this paper are: nucl-th
31
The categories of this paper are: ao-sci
0
The categories of this paper are: hep-ph
9
The categories of this paper are: nlin
8
The categories of this paper are: hep-ex
25
The categories of this paper are: patt-sol
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The categories of this paper are: chao-dyn
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The categories of this paper are: eess
3
The categories of this paper are: physics
29
The categories of this paper are: funct-an
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The categories of this paper are: supr-con
36
The categories of this paper are: cmp-lg
28
The categories of this paper are: alg-geom