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How to say "Theory" in Japanese

Both words can translate to "theory", but which should you choose?

Japanese Option A

四原因説

しげんいんせつ (shigenn'insetsu)
C2 / CEFR Syllabus
VS
Japanese Option B

結果無価値論

けっかむかちろん (kekkamukachiron)
C2 / CEFR Syllabus

Nuance Contrast & Translation Difference

When translating "theory" into Japanese, you must choose carefully between 四原因説 and 結果無価値論. In Japanese, 四原因説 (しげんいんせつ (shigenn'insetsu)) is typically associated with "Theory of Four Causes" (Syllabus Level: C2) and represents Essential structural term in CEFR C2 vocabulary syllabus.. On the other hand, 結果無価値論 (けっかむかちろん (kekkamukachiron)) maps to "Theory of wrongfulness of result" (Syllabus Level: C2) and represents Essential structural term in CEFR C2 vocabulary syllabus.. A literal translation of "theory" can often sound unnatural to native Japanese speakers if mixed up!
Bilingual Context for "四原因説"
私は四原因説に興味があります。
I am interested in Theory of Four Causes.
Bilingual Context for "結果無価値論"
私は結果無価値論に興味があります。
I am interested in Theory of wrongfulness of result.

Nuance Mastery Quiz

Which Japanese word perfectly fits this blank space?

Fill in the blank: "私は ___ に興味があります。" (Meaning: "I am interested in Theory of Four Causes.")
🎉 Correct Answer!

Remember: "四原因説" fits here because it means "Theory of Four Causes" in the context of: "I am interested in Theory of Four Causes.". "結果無価値論" represents "Theory of wrongfulness of result".

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