n. 争论, 辩论术, 辩论法, 论战, 辩论

[ noun ]
the branch of Christian theology devoted to the refutation of errors
<noun.cognition>

Polemics \Po*lem"ics\, n. [Cf. F. pol['e]mique.]
The art or practice of disputation or controversy, especially
on religious subjects; that branch of theological science
which pertains to the history or conduct of ecclesiastical
controversy.