noun
Refers to the philosophical stance that reason is the primary source of knowledge, or a general attitude of valuing logic and efficiency over emotion or tradition.
彼は合理主義の立場からその問題を分析した。
He analyzed the problem from a rationalist standpoint.
合理主義は感情
Rationalism values logic over emotion.
Often used interchangeably with 合理主義, but 理性主義 can emphasize the faculty of reason itself, while 合理主義 is more commonly used for the broader philosophical movement or a practical rational attitude.
Empiricism, the contrasting philosophical view that knowledge comes primarily from sensory experience.
Compound of 合理 (rational, logical) and 主義 (principle, -ism). The term was coined in the Meiji period as a translation of Western philosophical 'rationalism'.