1
(construction of an) argument
See also:
論陣を張る (ろんじんをはる)
1
to take a firm stand;to argue about
「広辞苑にこう書いてあります」と言って、広辞苑を唯一の拠り所に論陣を張る人がよくいる。
There are a lot of people who say, "it says this in Koujien," and use that dictionary as the only grounds for their argument.