noun
A philosophical term referring to the doctrine that reason is the primary source of knowledge. Often contrasted with empiricism. See also 合理主義.
See also: 合理主義
デカルトは理性論の代表的な哲学者だ。
Descartes is a representative philosopher of rationalism.
Compound of 理性 (reason) and 論 (theory, discourse). The exact historical derivation is uncertain; the term is used in modern Japanese philosophy to translate Western 'rationalism'.