Use 'yue ni' to express a logical conclusion in formal writing or speeches.
Word in 30 Seconds
- Used to link a cause to its logical result.
- Commonly found in formal writing, academic papers, and speeches.
- Conveys a sense of logical necessity and formal authority.
Overview
- 1概要:『故に』は、前の文が理由や原因となり、後の文がその結果であることを示す言葉です。現代の日常会話ではあまり使われませんが、論文、演説、公的な文書など、論理的で硬い表現が求められる場面で頻繁に登場します。
- 1使用パターン:基本的には「A。故にB。」という形で、Aが原因、Bが結果という論理構造を作ります。また、「~の故に」という形で「~の理由で」という意味の名詞として使われることもあります(例:失敗の故に学ぶ)。
一般的な文脈:学術的なレポート、法的文書、あるいは格式高いスピーチなどで好まれます。相手に説得力を与えたい場合や、客観的な事実関係を強調したい場面に適しています。
- 1類語比較:『だから』は日常会話で最も一般的ですが、カジュアルすぎます。『そのため』は中立的で使いやすい表現です。『したがって』は『故に』と非常に近く、論理的な帰結を示す際に最もよく使われるビジネス・学術用語です。『故に』はこれらの中でも特に古風で、重々しい響きを持っています。
Examples
我思う、故に我在り。
academicI think, therefore I am.
証拠が不十分である。故に、無罪とする。
formalThe evidence is insufficient. Therefore, the verdict is not guilty.
彼は若さの故に、経験が足りない。
formalBecause of his youth, he lacks experience.
天気が悪い。故に中止だ。
formalThe weather is bad. Therefore, it is cancelled.
Common Collocations
Common Phrases
我思う、故に我在り
I think, therefore I am.
その故に
For that reason.
Often Confused With
This is the standard formal way to say 'therefore' in modern Japanese. It is much more versatile than 'yue ni'.
This is the informal, everyday way to say 'therefore'. Never use this in formal writing.
Grammar Patterns
How to Use It
Usage Notes
Yue ni is strictly a formal register word. It is rarely used in spoken language except for dramatic effect or specific philosophical contexts. In modern writing, 'shitagatte' is preferred for clarity and naturalness.
Common Mistakes
The most common mistake is using it in casual conversation, which makes the speaker sound pretentious or unnatural. Another mistake is using it as a conjunction at the start of a sentence when a simpler 'dakara' would suffice. Ensure the preceding sentence is truly the direct cause of the following one.
Tips
Use only in formal written contexts
Reserve 'yue ni' for essays, academic reports, or official speeches. It will sound unnatural in casual daily conversations.
Avoid overuse in modern writing
While correct, using it too frequently can make your text sound archaic. Use 'shitagatte' for standard formal writing instead.
Historical and literary resonance
This word carries a weight of traditional Japanese logic. It often appears in classic literature and historical drama scripts.
Word Origin
Derived from the classical Japanese word 'yue' (reason/cause). It reflects the historical usage of combining a cause with a logical outcome.
Cultural Context
The word is deeply tied to Japanese intellectual history and the translation of Western logic. It maintains a dignified, slightly old-fashioned tone that commands respect.
Memory Tip
Think of Descartes: 'I think, therefore I am' (Ware omou, yue ni ware ari). This famous phrase is the best way to remember the logical weight of the word.
Frequently Asked Questions
4 questions「だから」は日常会話で使われるカジュアルな接続詞です。「故に」は非常に硬い表現で、書き言葉や公的な場でのスピーチに適しています。
「したがって」も「故に」も論理的な帰結を表しますが、「したがって」の方が現代のビジネスや論文では一般的です。「故に」はより文学的で重厚な響きがあります。
日常会話で使うと非常に大げさで、時代劇のような響きを与えてしまいます。特別な強調や冗談めかした表現以外では避けるのが無難です。
はい、使います。「病の故に欠席する」のように、「~という理由で」という意味で用いられますが、これも硬い表現です。
Test Yourself
彼は努力を怠った。___、試験に落ちた。
文脈が論理的な帰結を示しているため、接続詞の「故に」が最適です。
Score: /1
Summary
Use 'yue ni' to express a logical conclusion in formal writing or speeches.
- Used to link a cause to its logical result.
- Commonly found in formal writing, academic papers, and speeches.
- Conveys a sense of logical necessity and formal authority.
Use only in formal written contexts
Reserve 'yue ni' for essays, academic reports, or official speeches. It will sound unnatural in casual daily conversations.
Avoid overuse in modern writing
While correct, using it too frequently can make your text sound archaic. Use 'shitagatte' for standard formal writing instead.
Historical and literary resonance
This word carries a weight of traditional Japanese logic. It often appears in classic literature and historical drama scripts.
Examples
4 of 4我思う、故に我在り。
I think, therefore I am.
証拠が不十分である。故に、無罪とする。
The evidence is insufficient. Therefore, the verdict is not guilty.
彼は若さの故に、経験が足りない。
Because of his youth, he lacks experience.
天気が悪い。故に中止だ。
The weather is bad. Therefore, it is cancelled.
Related Content
This Word in Other Languages
Related Vocabulary
More academic words
絶対的
B2Absolute; not qualified or diminished in any way; total.
絶対的に
B1In a complete, unconditional, or conclusive manner; absolutely.
抽象的だ
B1Abstract; existing in thought or as an idea but not having a physical or concrete existence.
抽象
B2Existing in thought or as an idea but not having a physical or concrete existence. It refers to generalizing or extracting the essence of something away from specific details.
抽象的に
B1In an abstract or theoretical manner.
学術的な
B1Academic, scholarly; relating to education and scholarship.
学術的だ
B1Academic; relating to education and scholarship.
学術的
B2Academic; relating to education and scholarship.
学術
B1Academia; scholarship; relating to scholarly pursuits.
学力
B1Academic ability; a person's level of knowledge and skill in academic subjects.