At the A1 level, the word '例証' (reishō) is very advanced and you don't need to use it. However, you can understand the first part: '例' (rei). 'Rei' means 'example.' When your teacher says 'Tatoeba...' (For example...), they are using the concept of an example. 'Reishō' is like saying 'I will show you an example to prove I am right.' It is a very polite and formal way to say 'Look at this example.' For now, just remember that 'Rei' = Example. If you see '例証' in a book, just think: 'This person is showing a very important example to explain something difficult.' You will mostly see this in news or school books, not in cartoons or basic conversations with friends.
At the A2 level, you are starting to learn more 'Kango' (words made of Chinese characters). '例証' (reishō) is one of those words. It combines 'Rei' (example) and 'Shō' (proof). So, it means 'Proof by example.' In your daily life, you might not use it, but you might see it on a sign in a museum or in a simple news article. For example, 'This photo is a reishō (proof) of how people lived 100 years ago.' It is more formal than just saying 'rei' (example). When you want to sound very smart in a Japanese speech, you could say 'Rei wo agete reishō shimasu' (I will give an example and prove it). But usually, 'rei' is enough for A2 learners.
At the B1 level, you should begin to distinguish between casual and formal Japanese. '例証' (reishō) is a formal word used in essays and reports. While you might use 'tatoeba' in conversation, in a written report, you should use 'reishō' when you are using an example to support your argument. For instance, if you are writing about why recycling is good, you might use a specific city's success as a 'reishō.' This word shows that you are thinking logically. It's often used as 'reishō suru' (to illustrate/substantiate). It is a key word for understanding academic texts or listening to formal presentations where speakers are trying to convince you of something using evidence.
At the B2 level, '例証' (reishō) is a core vocabulary item for academic and professional success. You are expected to use this word in your writing to explain how you are supporting your claims. In IELTS Writing Task 2 or the JLPT N2, you must provide 'reishō' for your opinions. This word implies a logical connection: Claim -> Example -> Proof. You should be able to use it in the 'suru' verb form (例証する) and recognize its collocations, such as 'reishō wo ageru' (cite an illustration) or 'reishō ni kaku' (lack illustrative proof). It is a marker of high-level literacy and is essential for participating in debates or writing formal business proposals where empirical evidence is required.
At the C1 level, your mastery of '例証' (reishō) should include an understanding of its rhetorical weight. You should be able to distinguish it from related terms like '実証' (empirical proof), '検証' (verification), and '例示' (mere exemplification). 'Reishō' is specifically about the illustrative power of a case study or a specific instance. At this level, you would use 'reishō' to critique the logical structure of an author's work—for example, noting that an author's 'reishō' is anecdotal and doesn't support a universal claim. You should also be comfortable using it in complex grammatical structures, such as '〜をもって例証とする' (to take ~ as an illustrative proof), which is common in high-level academic discourse and legal writing.
At the C2 level, '例証' (reishō) is a nuanced tool in your linguistic arsenal. You understand its philosophical implications—how an example serves as a 'sign' (証) of a larger truth. You can use it fluently in academic papers, legal briefs, and high-level philosophical discussions. You might use it to discuss the limits of inductive reasoning (how many 'reishō' are needed to prove a rule?). You are also aware of its historical context in Japanese rhetoric and can use it to modulate the tone of your discourse, moving between 'reishō' for logical substantiation and 'reiji' for pedagogical clarity. At this level, the word is not just vocabulary; it's a conceptual building block for constructing and deconstructing complex arguments in native-level Japanese.

例証 30초 만에

  • Reishō means proving a claim using specific examples as evidence, essential for formal writing and academic debates.
  • It combines 'Example' (例) and 'Proof' (証), creating a word that bridges the gap between theory and reality.
  • Commonly used as a 'suru' verb (reishō-suru) in essays, scientific reports, and legal contexts to substantiate arguments.
  • Unlike the simple 'rei' (example), 'reishō' implies a logical necessity for the example to serve as a pillar of proof.

The Japanese word 例証 (reishō) is a sophisticated noun that refers to the act of proving or illustrating a point through specific examples. While the basic word for 'example' is rei (例), reishō carries a much heavier academic and logical weight. It is not merely showing something; it is using that 'something' as a structural pillar to support a claim or a hypothesis. In the context of the CEFR B2 level, this word is indispensable for students preparing for academic proficiency tests like the JLPT N2 or IELTS Writing Task 2, where the ability to 'exemplify' or 'substantiate' an argument is a core marking criterion.

Nuance of Proof
Unlike reiji (例示), which simply means 'giving an example,' reishō implies that the example serves as evidence. It is the bridge between a theoretical statement and reality. When you use reishō, you are telling your audience that your argument isn't just an opinion—it is a fact backed by observable instances.

彼は自説を裏付けるために、多くの歴史的事実を例証として挙げた。
(He cited many historical facts as illustrations to support his theory.)

In professional and academic settings, reishō is used when discussing methodology. For instance, a scientist might say their theory requires further reishō (demonstration through examples) before it can be widely accepted. It is also common in legal discourse, where a precedent serves as a reishō for how a law should be interpreted in a current case. The word combines 'example' (例) with 'proof/evidence' (証), making its meaning quite literal yet profound.

Common Collocations
You will often see it paired with verbs like ageru (to give/cite), shite-miseru (to demonstrate), or ni kaku (to lack). For example, a weak argument might be described as 'reishō ni kaku' (lacking in illustrative proof).

その仮説は、十分な例証が得られていない。
(That hypothesis has not yet been sufficiently substantiated by examples.)

Historically, the term has roots in formal logic and rhetoric. In classical Japanese education, the ability to provide reishō was seen as a sign of a well-read and logical mind. Today, in the digital age, we see reishō in data science and case studies, where specific data points are used to 'reishō' (prove via example) the effectiveness of a new algorithm or marketing strategy.

Register and Tone
This is a formal word (Kango). You would rarely hear it in a casual conversation between friends at a cafe. However, in a university seminar, a business presentation, or a news commentary, it is perfectly appropriate and expected.

具体例を挙げて、自説を例証してください。
(Please prove your theory by providing specific examples.)

Using 例証 (reishō) correctly requires understanding its role as either a noun or a suru-verb. When functioning as a noun, it often acts as the object of the sentence (e.g., 'to provide proof'). When used as a verb (例証する), it describes the action of the writer or speaker as they weave examples into their logical framework. This section explores the syntactic versatility of the word across various professional domains.

The 'Suru' Verb Form
When you use reishō-suru, you are performing the act of substantiation. This is common in academic abstracts: '本稿では、AがBに与える影響を例証する' (In this paper, I will illustrate the influence of A on B using examples).

著者は、自身の理論を豊富な資料で例証した。
(The author substantiated his theory with an abundance of materials/examples.)

One key aspect of using reishō is the presence of evidence. You cannot 'reishō' something with a lie or a vague feeling. The examples must be verifiable. This is why it's often paired with words like fukaku (deeply), meikaku ni (clearly), or setsumei-teki ni (explanatorily). In a business report, you might say, '市場調査の結果は、我々の予測を例証している' (The market research results illustrate/prove our predictions).

In the Negative
To say something is unproven or lacks evidence, use 'reishō ga fujūbun' (insufficient proof) or 'reishō dekinai' (cannot be proven via example). This is critical in debates or critical reviews of literature.

その言説を例証するのは容易ではない。
(It is not easy to provide illustrative proof for that statement.)

Furthermore, reishō can be used in the passive voice (例証される) to describe a phenomenon that has been demonstrated by historical or scientific precedents. 'この法則は、過去の多くの実験によって例証されている' (This law has been demonstrated by many past experiments). This construction is very common in textbooks to introduce established facts.

Sentence Structure Tip
Use the particle 'をもって' (wo motte) for a very formal tone: '事実をもって例証する' (To prove using facts). This elevates the register of your Japanese significantly.

統計データが、景気回復を例証している。
(Statistical data illustrates the economic recovery.)

Understanding the environment where 例証 (reishō) lives is key to mastering it. You won't find this word in a manga about high school romance unless a character is a particularly pedantic teacher. Instead, reishō is the bread and butter of intellectual discourse in Japan. It appears frequently in NHK news documentaries, university lectures, legal proceedings, and high-level business strategy meetings.

Academic Lectures
In a Japanese university, a professor might say, 'この現象を例証するために、次のスライドを見てください' (To illustrate this phenomenon, please look at the next slide). Here, reishō signals that the slide is not just a picture, but evidence for the theory being discussed.

教授は、言語学の理論を具体的な方言で例証した。
(The professor illustrated linguistic theory using specific dialects.)

Another common place to encounter reishō is in legal or semi-legal contexts. When a lawyer or a corporate compliance officer is explaining a rule, they will provide reishō to show how that rule applies in practice. For instance, '過去の判例が、この解釈を例証しています' (Past judicial precedents illustrate this interpretation). This provides a concrete basis for what might otherwise be an abstract legal concept.

Business Strategy
In a boardroom, a consultant might use reishō when presenting a 'Case Study.' They aren't just telling a story; they are using that story as a reishō for why a certain business model works. '成功事例をもって、我々の戦略の有効性を例証します' (We will illustrate the effectiveness of our strategy using success stories).

最新の売上データが、新製品の成功を例証している。
(The latest sales data illustrates the success of the new product.)

Finally, you will see this word in high-end journalism. Opinion pieces in newspapers like the Asahi Shimbun or Nikkei use reishō to critique government policy or social trends. If an author claims that 'Japanese society is changing,' they must provide reishō (such as birth rate statistics or surveys) to make their article credible. Without reishō, an editorial is just 'kūron' (empty theory).

The 'Example' Spectrum
Think of it this way: Rei is the example itself. Reiji is the act of showing it. Reishō is the act of using it to win an argument or prove a fact.

この論文の弱点は、主張を支える例証が乏しいことだ。
(The weakness of this paper is that the illustrative proof supporting its claims is scarce.)

While 例証 (reishō) is a powerful word, it is easy to misuse if you don't respect its formal boundaries. The most common mistake learners make is using it in casual, everyday contexts where a simpler word like tatoe (example) or rei would be more appropriate. Imagine someone saying, 'I will illustrate my hunger by pointing at this sandwich' using reishō—it would sound hilariously over-the-top, like a scientist narrating their own lunch.

Mistake 1: Confusing with 'Reiji' (例示)
Reiji is just 'showing an example.' If you are showing someone how to use a vending machine, you are doing reiji. If you are using that vending machine's usage data to prove that people prefer green tea over soda, you are doing reishō. Don't use reishō for simple demonstrations.

❌ 昨日の晩ご飯を例証します。
(I will substantiate my dinner from last night.) — Too formal/weird.
✅ 昨日の晩ご飯を教えます。
(I'll tell you what I had for dinner.)

Another common pitfall is the confusion with shōmei (証明). Shōmei is the general term for 'proof.' It covers mathematical proofs (using logic and numbers) and physical proof (like a fingerprint). Reishō is a sub-type of proof that specifically uses examples. You cannot 'reishō' a math problem like 1+1=2 because that's a logical proof, not an illustrative one based on specific instances.

Mistake 2: Overusing 'Reishō-suru' in Speaking
In spoken Japanese, even in business, people often prefer 'rei wo ageru' (give an example) or 'setsumei-suru' (explain). Reishō-suru is primarily a written word or a word used in very formal speeches. Using it in a regular meeting might make you sound like you're reading from a textbook.

この理論を例証するためには、さらなる調査が必要だ。
(To substantiate this theory, further investigation is required.) — Correct formal usage.

Finally, be careful with the particle usage. Reishō is a noun, so it takes 'wo' when used with 'ageru' (例証を挙げる) or 'ga' when it exists (例証がある). When used as a verb, it is transitive: 'A wo reishō-suru' (to illustrate A). Some learners mistakenly use 'ni' or 'to', which is incorrect.

Register Confusion
Learners often forget that reishō is a Kango (Sino-Japanese word). Kango are generally more formal. Using a Kango word in a casual setting is a stylistic mismatch that confuses native speakers.

事実を例証する。
(To illustrate the facts.) — Perfect for a report.

In the world of Japanese logic and rhetoric, several words orbit around the concept of 'giving examples' or 'proving.' Choosing the right one depends on whether you want to simply show something, prove it scientifically, or illustrate it for clarity. Here is a breakdown of how 例証 (reishō) compares to its cousins.

例証 (Reishō) vs. 例示 (Reiji)
例証: Focuses on proving a point. The example is evidence. (Example: Using a case study to prove a medical theory.)
例示: Focuses on showing or listing examples for clarity. (Example: Listing fruits like apples and oranges.)

資料にはいくつかの例示が含まれている。
(The document contains several illustrative examples [for clarity, not necessarily proof].)

Then we have 実証 (jisshō). While reishō uses examples, jisshō is 'empirical proof.' It usually implies a more rigorous, scientific verification process, often involving experiments or comprehensive data. If reishō is 'proving by example,' jisshō is 'proving by actual results/evidence.'

例証 (Reishō) vs. 証明 (Shōmei)
証明: The broadest term for 'proof.' It can be mathematical, logical, or physical. It is the 'umbrella' term.
例証: A specific type of proof that relies on examples (instances/cases).

数学の公式を証明する。
(To prove a mathematical formula.) — You cannot use reishō here.

Another interesting alternative is 引き合いに出す (hikiai ni dasu). This is an idiomatic expression meaning 'to bring something up as an example/comparison.' It is much more common in spoken Japanese and less formal than reishō. If you want to say 'He brought up his brother as an example,' you would use hikiai ni dasu.

Summary Table
  • 例証: Proof through examples (Academic/Formal)
  • 例示: Showing examples for clarity (Neutral/Formal)
  • 実証: Empirical/Scientific proof (Scientific/Formal)
  • 証明: General proof (All contexts)
  • 例を挙げる: To give an example (Neutral/Common)

具体例を挙げて、理論の正しさを例証した。
(He substantiated the correctness of the theory by giving specific examples.)

How Formal Is It?

재미있는 사실

The character '証' originally depicted a person speaking words (言) that are correct/straight (正), implying honest testimony.

발음 가이드

UK reɪ.ʃoː
US reɪ.ʃoʊ
Pitch accent is usually on the first syllable 'Re' (Atamadaka-gata), but can vary by dialect.
라임이 맞는 단어
継承 (keishō - succession) 名称 (meishō - name) 検証 (kenshō - verification) 連勝 (renshō - consecutive wins) 変奏 (hensō - variation) 燃焼 (nenshō - combustion) 提唱 (teishō - advocacy) 現象 (genshō - phenomenon)
자주 하는 실수
  • Pronouncing 'sho' as a short syllable. It must be long: 'shō'.
  • Pronouncing 'rei' as 'ree'. It should be 'ray-ee'.
  • Confusing 'sho' (proof) with 'sho' (book/writing) in pitch.
  • Missing the 'i' sound in 'rei' entirely.
  • Over-emphasizing the 'r' sound (it should be a Japanese flap 'r').

난이도

독해 4/5

Requires knowledge of N2 level Kanji and academic contexts.

쓰기 5/5

Hard to use naturally without sounding overly stiff or academic.

말하기 5/5

Rarely used in speech except in formal presentations or lectures.

듣기 4/5

Common in news and documentaries; requires focus to distinguish from similar Kango.

다음에 무엇을 배울까

선수 학습

例 (rei) 証拠 (shōko) 説明 (setsumei) 事実 (jijitsu) 理由 (riyū)

다음에 배울 것

実証 (jisshō) 検証 (kenshō) 立証 (risshō) 論証 (ronshō) 示唆 (shisa)

고급

帰納法 (kinō-hō) 演繹法 (en'eki-hō) 蓋然性 (gaizensei) 妥当性 (datōsei) 整合性 (seigōsei)

알아야 할 문법

Suru-verbs (Transitive)

事実を例証する。(Substantiate the facts.)

Passive Voice (Saseru/Sareru)

理論が例証される。(The theory is substantiated.)

Compound Nouns (Kanji linkage)

例証資料 (Illustrative materials)

Formal Particles (Wo motte)

事例をもって例証する。(Substantiate via examples.)

Nominalization (Koto/No)

例証することは難しい。(Substantiating is difficult.)

수준별 예문

1

これは例です。

This is an example.

Simple 'A is B' structure using 'rei' (the first kanji of reisho).

2

先生、例をください。

Teacher, please give me an example.

Using 'rei' as a basic noun.

3

いい例ですね。

That's a good example.

Adjective + Noun structure.

4

例を読みます。

I will read the example.

Object + Verb structure.

5

例を見てください。

Please look at the example.

Polite request form.

6

これは前の例と同じです。

This is the same as the previous example.

Comparison structure using 'onaji' (same).

7

例が三つあります。

There are three examples.

Counter for small objects (mitsu).

8

例を書きます。

I will write an example.

Future/Intentional verb form.

1

この写真は歴史の例証です。

This photo is an illustration of history.

Using 'reishō' as a formal noun.

2

事実を例証しましょう。

Let's illustrate the facts.

Hortative 'mashō' form (Let's...).

3

彼は例証をたくさん持っています。

He has many illustrative examples.

Possession structure.

4

もっと例証が必要です。

More illustrative proof is needed.

Desire/Requirement structure.

5

この本には例証がありません。

There are no illustrative examples in this book.

Negative existence.

6

例証を一つ挙げてください。

Please give one illustrative proof.

Using 'ageru' (to give/cite).

7

それはいい例証になりました。

That became a good illustration.

Past tense of 'naru' (to become).

8

例証を使って説明します。

I will explain using illustrative proof.

Using 'te' form for means/method.

1

著者はデータを用いて、自説を例証した。

The author substantiated his theory using data.

Formal past tense with 'mochiite' (using).

2

この実験の結果は、彼の仮説を例証している。

The result of this experiment illustrates his hypothesis.

Present progressive 'te-iru' for ongoing state/fact.

3

具体例を挙げて例証することが大切だ。

It is important to substantiate by giving concrete examples.

Nominalizing the verb with 'koto'.

4

彼の主張には例証が欠けている。

His argument lacks illustrative proof.

Using the verb 'kakeru' (to lack).

5

この事例は、社会の変化を例証している。

This case illustrates the changes in society.

Transitive usage of reishō-suru.

6

レポートでは、事実を例証しなければならない。

In the report, you must substantiate the facts.

Obligation form 'nakereba naranai'.

7

例証が不十分だと、説得力がなくなる。

If the illustrative proof is insufficient, it loses persuasiveness.

Conditional 'to' and 'fujūbun' (insufficient).

8

過去の経験から、その危険性を例証できる。

I can illustrate the danger from past experiences.

Potential form 'dekiru'.

1

論文の論理性を高めるために、適切な例証を挿入した。

To increase the logicality of the paper, I inserted appropriate illustrations.

Purpose clause using 'tame ni'.

2

その学説は、多くの考古学的発見によって例証された。

That theory was substantiated by many archaeological discoveries.

Passive voice 'reishō sareta'.

3

統計的なデータは、市場の動向を如実に例証している。

Statistical data vividly illustrates market trends.

Using the adverb 'nyojitsu ni' (vividly/clearly).

4

彼は自身の潔白を例証するために、アリバイを証明した。

To illustrate his innocence, he proved his alias.

Contrast between 'reishō' (illustrate) and 'shōmei' (prove).

5

このエピソードは、彼の性格をよく例証している。

This episode well illustrates his personality.

Abstract usage of reishō.

6

不測の事態が、計画の甘さを例証する形となった。

An unexpected situation ended up illustrating the weakness of the plan.

Phrase 'katachi to natta' (ended up being/took the form of).

7

十分な例証を伴わない主張は、学術的には認められない。

Arguments not accompanied by sufficient illustrative proof are not academically recognized.

Using 'tomonawanai' (not accompanied by).

8

歴史家は、古文書を引用して当時の生活を例証した。

The historian illustrated life at that time by quoting ancient documents.

Compound sentence with 'inyō shite' (quoting).

1

筆者は、近代化の弊害を多角的な視点から例証しようと試みている。

The author attempts to illustrate the harmful effects of modernization from multifaceted perspectives.

Volitional form + 'to kokoromite-iru' (attempting to).

2

その現象は、カオス理論の妥当性を例証する好材料となった。

That phenomenon became excellent material for illustrating the validity of chaos theory.

Noun 'kō-zairyō' (good material/evidence).

3

彼は、自身の倫理観を具体的な行動をもって例証してきた。

He has illustrated his own ethics through specific actions.

Formal particle 'wo motte' (by means of).

4

この論文の白眉は、複雑な経済理論を身近な事例で例証した点にある。

The highlight of this paper lies in the point that it illustrated complex economic theories with familiar examples.

Phrase 'hakubi' (the best part/highlight).

5

先行研究の誤謬を、新たな発掘調査の結果が例証してしまった。

The results of new excavations ended up illustrating the errors in previous research.

Regretful auxiliary 'teshimatta'.

6

言説の正当性を例証する責務は、常に主張する側にある。

The burden to illustrate the validity of a statement always lies with the side making the claim.

Noun 'sekimu' (duty/responsibility).

7

文学作品は、人間の深層心理を例証する鏡のような存在である。

Literary works are like mirrors that illustrate the deep psychology of humans.

Metaphorical usage.

8

実証主義的なアプローチにより、仮説は厳密に例証された。

Through a positivistic approach, the hypothesis was rigorously substantiated.

Adverb 'genmitsu ni' (rigorously).

1

現象学的な記述は、意識の志向性を直観的に例証することを目的とする。

Phenomenological description aims to intuitively illustrate the intentionality of consciousness.

Highly technical philosophical vocabulary.

2

その言説が孕む矛盾は、皮肉にも彼自身の成功によって例証された。

The contradictions inherent in that discourse were, ironically, illustrated by his own success.

Usage of 'haramu' (to involve/be pregnant with).

3

記号論における意味作用のプロセスを、広告の分析を通じて例証する。

I will illustrate the process of signification in semiotics through the analysis of advertisements.

Academic 'tsūjite' (through/via).

4

帰納的な推論において、いかに多くの例証を積み重ねても絶対的な真理には到達し得ない。

In inductive reasoning, no matter how many illustrations one piles up, one cannot reach absolute truth.

Potential negative 'tōtatsu shi-enai'.

5

法学的な解釈の妥当性は、社会の実態に即した例証によって裏打ちされるべきだ。

The validity of legal interpretation should be backed by illustrations in line with social reality.

Passive potential 'urauchisareru-beki' (should be backed).

6

彼の沈黙そのものが、言葉の限界を何よりも雄弁に例証していた。

His silence itself illustrated the limits of language more eloquently than anything else.

Oxymoron 'yūben ni reishō' (eloquently illustrate [via silence]).

7

ポスト構造主義の視座から、テクストの多義性を例証する試み。

An attempt to illustrate the polysemy of texts from a post-structuralist perspective.

Noun phrase ending typical of titles/abstracts.

8

普遍的な真理を個別的な事象において例証する、というレトリック。

The rhetoric of illustrating universal truths within individual events.

Appositive 'to iu' (that is called).

동의어

반의어

抽象化 否定

자주 쓰는 조합

例証を挙げる
例証に欠ける
事実をもって例証する
如実に例証する
例証を得る
例証を試みる
歴史的に例証される
例証としての価値
豊富な例証
例証に乏しい

자주 쓰는 구문

例証に値する

— Worthy of being used as an illustrative proof. It suggests the example is significant.

このケースは、特筆すべき例証に値する。

例証を固める

— To strengthen one's proof by gathering more examples. Often used in research.

論文の発表前に、さらに例証を固める必要がある。

例証が揃う

— When all the necessary illustrative proofs have been gathered.

ようやく、彼の理論を裏付ける例証が揃った。

例証を引く

— To cite or pull an illustrative proof from a source.

古典から例証を引いて説明する。

例証を求める

— To ask for or seek out illustrative proof.

反対派は、その計画の妥当性に例証を求めた。

例証に頼る

— To rely heavily on examples for proof, sometimes suggesting a lack of logic.

彼は理論的な説明よりも例証に頼る傾向がある。

例証を見出す

— To find or discover an illustrative proof within a set of data.

古い日記の中に、当時の風習の例証を見出した。

例証を重ねる

— To pile up or accumulate many examples to make a point undeniable.

例証を重ねることで、説得力を高める。

例証を提示する

— To present illustrative proof to an audience.

会議で、新プロジェクトの成功を例証する資料を提示した。

例証を裏付ける

— To provide further evidence that supports the initial illustrative proof.

新たな発見が、以前の例証をさらに裏付けた。

자주 혼동되는 단어

例証 vs 冷笑 (reishō)

Means 'sneer' or 'derisive smile'. Same pronunciation, different Kanji and pitch.

例証 vs 礼証 (reishō)

A very rare term for a certificate of appreciation. Not commonly used.

例証 vs 例書 (reisho)

A book of examples. Similar sound, but different meaning.

관용어 및 표현

"事実が雄弁に例証する"

— The facts themselves speak eloquently to prove the point. No further words are needed.

彼の成功は、努力の重要性を雄弁に例証している。

Formal/Literary
"身をもって例証する"

— To prove or illustrate something through one's own physical actions or life experiences.

彼は不屈の精神を身をもって例証した。

Formal
"歴史が例証する通り"

— As history illustrates/proves. Used to cite historical patterns.

歴史が例証する通り、独裁体制は長くは続かない。

Formal
"枚挙に暇がないほど例証がある"

— There are so many illustrative proofs that they are too numerous to list.

彼の悪行は枚挙に暇がないほど例証がある。

Formal/Literary
"一事が万事を例証する"

— One small instance illustrates the whole (a single case shows the general nature).

この小さなミスが、彼の管理体制の甘さを例証している。

Neutral/Formal
"筆舌に尽くしがたい例証"

— An illustrative proof that is beyond words (too extreme to describe).

その惨状は、戦争の悲劇を筆舌に尽くしがたい形で例証していた。

Literary
"他山の石として例証する"

— Using another's failure as an illustrative proof for one's own improvement.

競合他社の失敗を他山の石として、我々の課題を例証する。

Formal
"鉄の事実をもって例証する"

— To prove with 'ironclad' (undeniable) facts.

科学的な鉄の事実をもって、温暖化を例証する。

Formal
"鏡に照らすように例証する"

— To illustrate something so clearly it is like looking in a mirror.

この小説は現代社会の闇を、鏡に照らすように例証している。

Literary
"論より証拠(例証)"

— Proof (illustration) is better than theory/argument.

あれこれ議論するより、実際に例証を見せる方が早い。

Neutral

혼동하기 쉬운

例証 vs 例示 (reiji)

Both involve 'examples'.

Reiji is just showing/listing for clarity. Reishō is using examples specifically to prove a point.

果物の例示(りんご、みかん)。理論の例証(実験データ)。

例証 vs 実証 (jisshō)

Both involve 'proof'.

Jisshō is empirical/scientific proof based on facts/results. Reishō is proof specifically through 'examples'.

科学的に実証する。事例で例証する。

例証 vs 証明 (shōmei)

Both mean 'proof'.

Shōmei is the general term. Reishō is a specific rhetorical method of proof.

身分を証明する。自説を例証する。

例証 vs 立証 (risshō)

Both mean 'to prove'.

Risshō is often used in legal contexts to establish a fact. Reishō is more academic/rhetorical.

アリバイを立証する。概念を例証する。

例証 vs 検証 (kenshō)

Both involve checking facts.

Kenshō is 'verification' or 'inspection' of a hypothesis. Reishō is 'illustration' to support it.

仮説を検証する。結果を例証する。

문장 패턴

B2

〜を例証するために、...を挙げる

自説を例証するために、三つの事例を挙げる。

B2

〜は、...を如実に例証している

この結果は、景気後退を如実に例証している。

C1

〜をもって...の例証とする

この事実をもって、彼の潔白の例証とする。

C1

〜に乏しい例証

説得力に乏しい例証では意味がない。

B1

〜の例証が必要だ

その主張には、もっと多くの例証が必要だ。

B2

〜によって例証される

この法則は、多くの実験によって例証される。

C2

〜を例証する責務がある

主張者には、その妥当性を例証する責務がある。

B1

例証を使いこなす

彼は例証を使いこなして、聴衆を説得した。

어휘 가족

명사

例 (rei - example)
証 (shō - proof)
証拠 (shōko - evidence)
実証 (jisshō - empirical proof)
例示 (reiji - illustration)

동사

例証する (reishō-suru - to substantiate)
証する (shō-suru - to prove/testify)
例える (tatoeru - to compare/liken)

형용사

例証的な (reishō-teki na - illustrative)
例証可能な (reishō-kanō na - provable via example)

관련

引用 (inyō - quotation)
論拠 (ronkyo - logical basis)
エビデンス (ebidensu - evidence)
ケーススタディ (kēsu sutadi - case study)
典拠 (tenkyo - authority/source)

사용법

frequency

Common in academic writing, law, and journalism. Rare in daily speech.

자주 하는 실수
  • Using 'reishō' for simple lists. Use 'reiji' (例示).

    Reishō is for proving a point, not just making a list of items like grocery items.

  • Confusing 'reishō' with 'shōmei' in math. Use 'shōmei' (証明).

    Mathematical proofs don't use 'examples' as the primary method; they use logical steps.

  • Using 'reishō' in a casual text to a friend. Use 'rei' (例).

    It sounds way too formal and stiff for casual communication.

  • Saying 'reishō ni' instead of 'reishō wo'. 〜を例証する。

    It is a transitive verb and requires the direct object marker 'wo'.

  • Mispronouncing the long 'ō'. Reishō (long o).

    A short 'o' might make it sound like a different word or simply incorrect Japanese.

Boost Academic Tone

Replace 'tatoeba' with 'reishō to shite...' in your formal essays to immediately elevate the register of your writing.

The Evidence Bridge

Think of reishō as the bridge between your 'opinion' and 'reality'. Without this bridge, your argument may collapse.

Kanji Breakdown

Remember: Rei (Example) + Shō (Proof). If you see these two together, someone is trying to prove something with a case study.

Presentation Power

In a business presentation, use 'reishō' when showing a success story. It sounds much more professional than just 'rei'.

Context Clues

If you see 'reishō' in a text, look for words like 'jirei' (case) or 'dēta' (data) nearby. They are the content of the reishō.

Passive Usage

Use 'reishō sareru' when talking about established scientific facts that have been proven by many others over time.

Avoid Repetition

If you use 'reishō' in one paragraph, switch to 'jisshō' or 'shōmei' in the next to keep your writing varied and interesting.

JLPT Strategy

In N2/N1 reading, 'reishō' often appears in questions asking 'What is the purpose of this example?'. The answer is usually 'to prove the author's point'.

Proof vs Show

Always check if the example is actually proving something. If it's just a 'for instance' without a point, stick to 'reiji'.

The 'Show' Mnemonic

The second kanji '証' is pronounced 'shō'. Think: 'I will SHOW you the proof!'

암기하기

기억법

Think of 'Ray' (Rei) showing a 'Show' (Shō) to prove he's right. Ray's Show = Reishō.

시각적 연상

Imagine a lawyer holding up a specific 'Example' (like a smoking gun) as 'Proof'. The 'Example' is the 'Proof'.

Word Web

Evidence Example Proof Substantiation Illustration Logic Argument Case Study

챌린지

Write three sentences about your favorite hobby. In the third sentence, use 'reishō' to provide a reason why you like it.

어원

Derived from Sino-Japanese (Kango). '例' (rei) means 'precedent' or 'example', and '証' (shō) means 'evidence', 'proof', or 'to testify'.

원래 의미: To provide evidence based on past precedents or specific instances.

Sino-Japanese

문화적 맥락

No specific sensitivities, but using it in casual conversation may come across as 'snobbish' or 'overly academic'.

Directly maps to 'substantiation' or 'exemplification' in English rhetoric, though 'reishō' is more commonly used in Japanese than its English counterparts in daily formal life.

Used frequently in the works of Japanese philosophers like Nishida Kitarō when discussing the logic of place. Common in NHK Special documentaries regarding scientific breakthroughs. A key term in JLPT N2/N1 preparation materials.

실생활에서 연습하기

실제 사용 상황

Academic Writing

  • 本論では〜を例証する
  • 例証に乏しい
  • 適切な例証
  • 例証を試みる

Legal Proceedings

  • 判例をもって例証する
  • 事実の例証
  • 証言による例証
  • 例証が不十分

Business Presentations

  • 成功事例で例証する
  • データが例証している
  • 市場の例証
  • 具体的に例証する

News/Journalism

  • 社会問題を例証する
  • 事件が例証している
  • 如実に例証
  • 歴史的例証

Scientific Research

  • 実験による例証
  • 仮説の例証
  • 例証データ
  • 厳密な例証

대화 시작하기

"その理論を例証する具体的なデータはありますか? (Is there specific data to substantiate that theory?)"

"最近のニュースで、この問題を例証するような事件はありましたか? (Was there an incident in the news recently that illustrates this problem?)"

"あなたの経験の中で、この教訓を例証するエピソードを教えてください。 (Please tell me an episode from your experience that illustrates this lesson.)"

"このグラフは、私たちの予測をどう例証していますか? (How does this graph illustrate our predictions?)"

"もっと説得力を出すために、どのような例証を追加すべきでしょうか? (What kind of illustrations should we add to increase persuasiveness?)"

일기 주제

今日学んだ新しい言葉を、自分の生活の中の出来事で例証してみてください。 (Try to illustrate a new word you learned today with an event from your own life.)

「努力は報われる」という言葉を例証する歴史的人物について書いてください。 (Write about a historical figure who illustrates the saying 'effort pays off'.)

現代のテクノロジーが生活を便利にしたことを、三つの例証を挙げて説明してください。 (Explain how modern technology has made life convenient, citing three illustrations.)

自分が大切にしている価値観を、過去の行動で例証してください。 (Illustrate the values you hold dear through your past actions.)

社会の不平等を例証する身近な事例について考察してください。 (Consider a familiar case that illustrates social inequality.)

자주 묻는 질문

10 질문

It is generally too formal for daily life. If you are talking to friends, use 'tatoe' (example) or 'rei wo dasu'. Using 'reishō' might make you sound like you are giving a lecture.

Yes, it frequently appears in the reading and listening sections of N2 and N1. Understanding its nuance of 'proof' is crucial for answering logic-based questions.

'Reiji' is just showing examples (like a list). 'Reishō' is using examples to prove that your argument is correct.

No. Math proofs are 'shōmei'. 'Reishō' requires specific cases or instances, whereas math relies on pure logic and formulas.

It is a transitive verb. You use 'wo' to indicate what you are substantiating: 'Theory wo reishō-suru'.

You can say 'reishō ga fujūbun' (例証が不十分) or 'reishō ni kaku' (例証に欠ける).

No, it is an abstract noun. However, a person can be an 'illustrative example' of a trait, though you would say 'kare wa ~ no reishō da'.

'Nyojitsu ni' (vividly), 'meikaku ni' (clearly), 'tekisetsu ni' (appropriately), and 'kinō-teki ni' (inductively).

Yes, to distinguish it from 'reishō' (sneer). In 'reishō' (proof), the pitch typically drops after the first syllable.

Use it when you are about to provide a specific example to support your thesis statement. It shows the examiner you have a high level of vocabulary.

셀프 테스트 180 질문

writing

Write a sentence using '例証' to describe how a graph shows sales data.

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
writing

Write a sentence using '例証する' in the past tense.

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
writing

Use '例証' in a sentence about a historical fact.

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
writing

Translate: 'To substantiate a theory with data.'

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
writing

Write a formal request for an illustrative proof.

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
writing

Use '例証' with the adverb '如実に' (vividly).

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
writing

Write a sentence about a plan that lacks proof.

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
writing

Translate: 'This episode illustrates his kindness.'

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
writing

Use '例証' in the passive voice.

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
writing

Write a sentence about proving one's innocence using '例証'.

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
writing

Use '例証' with 'tame ni' (for the purpose of).

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
writing

Translate: 'It is important to provide sufficient illustrations.'

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
writing

Write a sentence using '例証' in a business context.

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
writing

Use '例証' to describe a scientific discovery.

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
writing

Write a sentence about a lack of evidence using '乏しい'.

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
writing

Translate: 'I will illustrate the problem with a specific case.'

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
writing

Use '例証' with the particle 'をもって'.

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
writing

Write a sentence about a textbook using '例証'.

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
writing

Use '例証' in a sentence about a debate.

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
writing

Translate: 'His failure illustrates the risk.'

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
speaking

How would you formally say 'I will illustrate this with an example'?

Read this aloud:

정답! 아쉬워요. 정답:
speaking

Pronounce '例証' correctly.

Read this aloud:

정답! 아쉬워요. 정답:
speaking

Ask a professor for more examples to prove their point.

Read this aloud:

정답! 아쉬워요. 정답:
speaking

Explain the importance of 'reishō' in writing.

Read this aloud:

정답! 아쉬워요. 정답:
speaking

Use 'reishō' in a sentence about your success.

Read this aloud:

정답! 아쉬워요. 정답:
speaking

How do you say 'The data illustrates the problem'?

Read this aloud:

정답! 아쉬워요. 정답:
speaking

Say 'I will prove my innocence' using reishō.

Read this aloud:

정답! 아쉬워요. 정답:
speaking

Comment on someone's weak argument using 'reishō'.

Read this aloud:

정답! 아쉬워요. 정답:
speaking

What is the pitch accent of the word?

Read this aloud:

정답! 아쉬워요. 정답:
speaking

Describe a graph using the word 'reishō'.

Read this aloud:

정답! 아쉬워요. 정답:
speaking

Use 'reishō' in a sentence about history.

Read this aloud:

정답! 아쉬워요. 정답:
speaking

Ask a colleague to provide evidence for their claim.

Read this aloud:

정답! 아쉬워요. 정답:
speaking

Say 'That was a good illustration.'

Read this aloud:

정답! 아쉬워요. 정답:
speaking

Explain 'reishō-teki na' in simple terms.

Read this aloud:

정답! 아쉬워요. 정답:
speaking

Use 'reishō' with 'suru' in a future plan.

Read this aloud:

정답! 아쉬워요. 정답:
speaking

Describe a person using 'reishō'.

Read this aloud:

정답! 아쉬워요. 정답:
speaking

Say 'Evidence is lacking.' formally.

Read this aloud:

정답! 아쉬워요. 정답:
speaking

Use 'reishō' to describe a news report.

Read this aloud:

정답! 아쉬워요. 정답:
speaking

Say 'I will attempt to prove it.'

Read this aloud:

정답! 아쉬워요. 정답:
speaking

Explain why you use 'reishō' instead of 'rei'.

Read this aloud:

정답! 아쉬워요. 정답:
listening

Listen and identify: Is the speaker saying 'reishō' (proof) or 'reishō' (sneer)?

정답! 아쉬워요. 정답:
정답! 아쉬워요. 정답:
listening

In a news clip, what does 'reishō sareta' mean?

정답! 아쉬워요. 정답:
정답! 아쉬워요. 정답:
listening

What verb follows 'reishō' in the phrase 'reishō wo ageru'?

정답! 아쉬워요. 정답:
정답! 아쉬워요. 정답:
listening

Does the speaker sound formal or informal when using 'reishō'?

정답! 아쉬워요. 정답:
정답! 아쉬워요. 정답:
listening

What is the object being 'reishō'ed in the sentence: '事実を例証する'?

정답! 아쉬워요. 정답:
정답! 아쉬워요. 정답:
listening

Identify the number of syllables in 'reishō'.

정답! 아쉬워요. 정답:
정답! 아쉬워요. 정답:
listening

What particle precedes 'reishō-suru' in a typical sentence?

정답! 아쉬워요. 정답:
정답! 아쉬워요. 정답:
listening

In a lecture, the professor says 'Kore wo reishō-shimasu.' What is about to happen?

정답! 아쉬워요. 정답:
정답! 아쉬워요. 정답:
listening

What word means 'insufficient' when heard with 'reishō'?

정답! 아쉬워요. 정답:
정답! 아쉬워요. 정답:
listening

Identify the synonym heard: 'rei wo ageru' or 'setsumei-suru'.

정답! 아쉬워요. 정답:
정답! 아쉬워요. 정답:
listening

Does 'reishō' contain the sound 'z'?

정답! 아쉬워요. 정답:
정답! 아쉬워요. 정답:
listening

What is the first kanji of 'reishō' associated with?

정답! 아쉬워요. 정답:
정답! 아쉬워요. 정답:
listening

Listen for 'reishō-teki na'. Is it a noun or adjective?

정답! 아쉬워요. 정답:
정답! 아쉬워요. 정답:
listening

What is the context of 'reishō' in a legal drama?

정답! 아쉬워요. 정답:
정답! 아쉬워요. 정답:
listening

Identify the pitch drop in 'reishō'.

정답! 아쉬워요. 정답:
정답! 아쉬워요. 정답:
writing

Translate: 'To illustrate the severity of the situation.'

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:
writing

Write a conclusion sentence for an essay using '例証'.

Well written! Good try! Check the sample answer below.

정답! 아쉬워요. 정답:

/ 180 correct

Perfect score!

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