シャドーイング練習: What is Philosophy?: Crash Course Philosophy #1 - 動画で英語スピーキングを学ぶ
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Crash Course Philosophy is brought to you by Squarespace.
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Share your passion with the world.
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I'm Hank Green, and you and I are about to embark on a journey.
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A journey of inquiry into the whole world.
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Your world.
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In an effort to figure out what gives it meaning, what makes it beautiful, where its evils come from, and ultimately, what is the very nature of reality itself.
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Along the way, we're going to question every aspect of your own personal life.
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Why do you do what you do?
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Why do you think what you think?
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Why do you feel what you feel?
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Now, if you've joined me on Crash Course before, you might say, we've already learned all that stuff.
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Like in psychology, in biology, in anatomy and physiology.
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And it's true, science can definitely help us understand our thoughts and feelings and actions.
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But on this particular journey, we're going to be exploring aspects of the human condition that can't be explained only by hormones or neurotransmitters,
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by personal experiences or hereditary conditions.
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Because all of those chemicals and experiences that make us who we are can actually raise as many questions as they answer.
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Like, if all of my decisions really are just the result of how I was raised
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and what chemicals I have flowing through my brain, then are any of my choices actually free?
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And if I'm not truly free to make my own decisions or choose my own actions, then how can I be held accountable for them?
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Yeah, it's gonna be that kind of journey.
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Rather than just looking at the world and describing what we see, we'll be evaluating it.
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We will take nothing as given, set our assumptions aside, or at least try really hard to, and do our best to see the world as if we've never seen it before.
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And for what it's worth, we'll also be talking about Batman and what Dick Grayson can teach us about the concept of identity.
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And we'll learn how The Matrix can help us understand the life and writing of Rene Descartes.
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Also, we'll try to answer unanswerable questions and puzzle over paradoxes that have plagued geniuses for thousands of years.
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It's gonna be hard and enlightening and frustrating, and if I do my job properly, it'll stick with you long after you and I have parted ways,
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because we are going to do philosophy.
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These days people use the word philosophy to describe some opinion they might have, or an approach they have to a certain topic.
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Like you might have a philosophy when it comes to golf, though I personally do not.
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But we are going to use this word more narrowly to describe a way of approaching the world
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that traces its roots back to ancient Greece, 500 years before the Common Era.
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This was a time of great intellectual movement around the world.
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Buddhism and Jainism were developing in Asia at the same time philosophical thought was emerging in Greece.
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There, scholars were tangled up in a distinction they were just beginning to make between philos and mythos, or what we'd now roughly call science and storytelling.
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At that time, there were bards like Homer, who were trying to understand and explain the world through stories, while the earliest philosophers were using methods that were more analytical and scientific,
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although they didn't really have the concept of science back then.
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So, philosophia, literally the love of wisdom, was a new way of trying to make sense of the world.
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When the earliest philosophers used the word philosophy, they basically meant the academic study of anything.
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Which, like, I guess could include golf.
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But at what we might call the first universities in the Western world, Plato's Academy and its rival Aristotle's Lyceum, math, biology, physics, poetry, political science,
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and astronomy were all considered to be philosophy.
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Eventually, scholars began thinking of these fields differently, as separate disciplines.
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Studies that had strong empirical elements came to be considered science, a search for answers.
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But philosophy came to be understood more as a way of thinking about questions.
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Big questions.
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And today, 2500 years after the ancient Greeks first brought them up, philosophers still love asking questions, oftentimes the same questions, and they don't mind that they never get an answer.
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So, what are these big questions that have managed to intrigue and stump philosophers for so long?
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One of the first might best be phrased as, what is the world like?
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Sounds simple enough to answer, right?
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Like, just look around and see all the stuff.
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Well, this is what the world is like.
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But the philosophical approach isn't just based on observation and it has other, much more complex questions packed inside it.
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When a philosopher wonders what the world is like, she might really be asking, what's the nature of reality?
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Like, is the world just made up of matter and energy, or is there something else going on?
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And if it is just matter and energy, then where did it all come from?
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Is there a god?
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And if so, then what is he or she or it like?
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And for that matter, when you're asking about the world, can you also be asking about the nature of yourself as a citizen of the world?
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So, what kind of being am I?
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Do I have a soul?
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Is there something immaterial about me that will survive after I die?
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All of these questions are ways of exploring what philosophers call metaphysics, one of the three main branches of philosophy, an effort to understand the fundamental nature of the world,
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of the universe, and of being.
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Now, if those questions aren't heady enough for you, we, as students of philosophy,
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also have a whole separate set of questions that are about how we know the answers to any of this stuff.
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This particular strain of philosophy, which is like, knowing about knowing, is epistemology.
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Literally, the study of knowledge, the second major field of philosophy.
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And it poses questions like, is the world really what I think it is?
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Like, really, is everything I see and think and experience, is it actually true?
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If it isn't, then what is true?
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And what's the best way to go about figuring out the truth?
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Is science the best way, or are there more ethereal paths to truth?
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Paths that science can never really travel.
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And let's say that after a lot of searching and question asking, I begin to develop some ideas, like an inkling about what might be true.
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Then, how do I know if I'm right?
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How will I ever know I'm wrong?
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Can I ever be certain about anything?
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Now at this point, I wouldn't blame you if you're thinking, Am I real?
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Do I.. do I know anything?
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Well, as questions go, these might not seem super practical.
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But there's another area of philosophy that helps frame your thinking around what you actually do, like how you should act and what you should attach meaning to.
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It's called value theory, and it's usually divided into two main branches.
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The first is ethics.
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You've heard of it.
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It's the thing that politicians are always said to lack, and Jedi are supposed to have in great supply.
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Though, don't get me started on the prequels.
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In philosophy, though, ethics isn't just a code of what's right and what's wrong.
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It's the study of how humans should live with each other.
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Rather than just sitting around and judging people, ethics involves posing questions like, how should I live?
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Is there any reason that I should treat, say, strangers differently than the people I love?
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And for that matter, do I owe anything to myself?
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What about animals or the earth?
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And if I do have any of these obligations at all, where do they come from? Who says?
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Ultimately, whatever system you use to decide what's good or evil, as human behavior goes, is determined by your values.
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That's why ethics is considered part of value theory.
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But the other part of value theory isn't about what's right.
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It's about what's beautiful.
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Aesthetics is the study of beauty and art.
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Now the concept of beauty is talked about practically everywhere, from the media to art school to barber college.
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But for philosophers, the pursuit of aesthetics involves considering what beauty is, and whether it even exists.
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Aesthetics is a part of value theory, because beauty and art are things we value and evaluate.
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And many people who study this particular kind of philosophy, known as estheticians, believe there is such a thing as the beautiful.
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Something that doesn't just depend on what you happen to find attractive, but something that's just objectively true.
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And finally, there's one more aspect of philosophy that I should mention, because it doesn't ask questions so much as help us find answers.
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Yes, finally, some answers!
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And that thing, which I happen to think can be beautiful in its own way, is logic.
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Logic is the philosopher's toolbox.
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It contains the saws and hammers, the microscopes and beakers that philosophers use to go about answering their questions in a clear, systematic way.
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Logic is about reasoning, giving strong arguments that don't fall victim to fallacies, which are, as you will learn, the mortal enemies of philosophical precision.
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Okay, so metaphysics, epistemology, value theory, they might all seem pretty airy and abstract.
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But don't worry, because you have already done philosophy, even though you might not realize it.
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You do it in almost every aspect of your life.
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Every time you argue with your parents, or wonder if you should date someone, or decide to eat a salad instead of a ham and cheese hot pocket, you are doing philosophy.
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Because you're thinking about the world and your place in it.
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You're figuring out what you value, why you value it, and what you should do about it.
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So here's our plan.
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We're gonna learn about the major fields of philosophy, posing questions and considering possible answers along the way, and each time we will use a two-step method.
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First, we'll really try to understand.
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You're not gonna agree with all the ideas that I present to you, and I won't agree with them either.
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That's not the point.
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The point, in step one, is to really try to get inside of an idea, to understand it as charitably as possible.
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Then in step two, you'll subject your understanding to some serious critical evaluation.
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Basically, you'll try to knock down what you think you know about a particular view of the world.
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And you'll do this whether you agree with the view or not.
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Why?
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Because only when you challenge your understanding of how some people view the world can you decide for yourself
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if theirs is a view worth having.
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Which leads me to my final point.
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Philosophy is not your usual field of study.
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I'm not going to be teaching you a body of knowledge where success means you know a bunch of stuff.
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Success in this course will mean that you know how to think.
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All we have are questions, and all you have is a brain.
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And the goal of philosophy is for you to use your brain to come up with the answers
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that make the most sense to you.
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You'll learn how to formulate arguments to support your ideas, so you can explain why you think you're right.
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Which, if you've ever been on the internet, you know is something that not a lot of people are good at.
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In order to do that, you're going to need to understand philosophical reasoning, the tools we use to investigate life's most perplexing questions.
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And that is where we're going to be headed the next time we meet.
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For now, you've learned about the historical origins of philosophy in ancient Greece, and its three main divisions, metaphysics, epistemology, and value theory.
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We also talked about logic, and how you're going to use it to understand and critically evaluate a whole host of different worldviews.
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But not about golf.
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This episode of Crash Course Philosophy is made possible by Squarespace.
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Squarespace is a way to create a website, blog, or online store for you and your ideas.
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Squarespace features a user-friendly interface, custom templates, and 24-7 customer support.
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Try Squarespace at squarespace.com forward slash Crash Course for a special offer.
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Crash Course Philosophy is produced in association with PBS Digital Studios.
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You can head over to their channel to check out some amazing shows like The Good Stuff, PBS Space Time, and Physics Girl.
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This episode of Crash Course was filmed in the Dr. Cheryl C.
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Kinney Crash Course Studio with the help of these amazing people, and our graphics team is Thought Cafe.
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動画で英語学習の魅力
「What is Philosophy?」という動画では、ハンク・グリーンが哲学の世界を親しみやすく紹介しています。科学と物語、自由意志や現実の本質など、深い問いを掘り下げながらも、バットマンや『マトリックス』などの例を使ってわかりやすく説明するので、英語学習者にとっても興味深いコンテンツです。この動画を使えば、英語のリスニング力向上だけでなく、論理的な思考力も養えるでしょう。
日常会話に使える5つのフレーズ
- embark on a journey：「旅に出る」「冒険を始める」。例：We embarked on a journey to learn philosophy.（哲学を学ぶ旅に出ました）
- take nothing as a given：「何も当たり前と思わない」。例：In philosophy, we take nothing as a given.（哲学では、何も当たり前とは思いません）
- stick with you：「心に残る」「忘れられない」。例：The lesson will stick with you.（その教訓はあなたの心に残るでしょう）
- tangled up in：「～に絡まる」「～に悩まされる」。例：Scholars were tangled up in the distinction.（学者たちはその違いに悩んでいました）
- pose questions：「質問を投げかける」「疑問を提起する」。例：Epistemology poses questions about knowledge.（認識論は知識についての疑問を提起します）
shadowing siteで使えるステップバイステップガイド
この動画はスピードがやや速く、専門用語もありますが、shadowingの練習に最適です。以下の方法で英語の発音を良くすることができます。
ステップ1：動画を1.25倍速で視聴
最初はゆっくりと内容を理解しましょう。1.25倍速で聞くことで、発音のアクセントやリズムに慣れることができます。難しい単語はメモしておきます。
ステップ2：1文ずつ繰り返し
動画を1文ずつ止めて、そのまま真似て発音します。「embark on a journey」のようなフレーズは、リズムを意識して繰り返し練習しましょう。shadowspeakの技術を使うと、より効果的です。
ステップ3：全体をまとめてshadowing
数回練習したら、動画を流しながら即座に追って発音します。これで英語スピーキング練習ができるだけでなく、反応速度も上がります。挫折しないで、少しずつ進めれば必ず成果が出ます！
この動画を使ったshadowing練習は、英語の実力向上にとても効果的です。ぜひ挑戦して、哲学と英語の世界を楽しみながら成長しましょう！
この動画の文法
話し手がよく使っている文型を、動画の実際の表現とともに紹介します。
| 文型 | 動画での表現 |
|---|---|
| 受動態 be + 過去分詞 — 誰がするかより、何が起きるかに焦点を当てる | is brought · can't be explained · was raised |
| 現在完了形 have/has + 過去分詞 — 過去の出来事が今も関係している | you've joined · we've never seen · have plagued |
| 関係詞節 who / which + 節 — 人や物について情報を加える | philosophy, which is · people who study · fallacies, which are |
シャドーイングとは？英語上達に効果的な理由
シャドーイング（Shadowing）は、もともとプロの通訳者養成プログラムで開発された言語学習法で、多言語習得者として知られるDr. Alexander Arguelles によって広く普及されました。方法はシンプルですが非常に効果的：ネイティブスピーカーの英語を聞きながら、1〜2秒の遅延で声に出してすぐに繰り返す——まるで「影（shadow）」のように話者を追いかけます。文法ドリルや受動的なリスニングと異なり、シャドーイングは脳と口の筋肉が同時にリアルタイムで英語を処理・再現することを強制します。研究により、発音精度、抑揚、リズム、連音、リスニング力、そして会話の流暢さが大幅に向上することが確認されています。IELTSスピーキング対策や自然な英語コミュニケーションを目指す方に特におすすめです。