📚 Year 9 CAIE Philosophy: Summer Preparation and Bridging Course | 9年级 CAIE 哲学：暑期预习与衔接课程
Welcome to the Year 9 CAIE Philosophy summer bridging course. This guide will help you build a strong foundation in philosophical thinking before the school year begins. You will explore big questions, learn how to construct arguments, and develop critical thinking skills that will serve you in every subject.
欢迎参加 9 年级 CAIE 哲学暑期衔接课程。本指南将帮助你在学年开始前建立扎实的哲学思维基础。你将探索重大哲学问题，学习如何构建论证，并培养批判性思维能力，这些能力将使你在各门学科中受益。
1. What is Philosophy? | 什么是哲学？
Philosophy comes from the Greek words 'philo' (love) and 'sophia' (wisdom). It is the study of fundamental questions about reality, knowledge, and existence. Unlike science, which uses experiments, philosophy relies on logical reasoning and critical discussion to examine ideas that cannot be settled by observation alone.
哲学源于希腊语中的“爱”（philo）和“智慧”（sophia）。它是关于实在、知识和存在的根本问题的研究。与使用实验的科学不同，哲学依靠逻辑推理和批判性讨论来审视那些仅凭观察无法解决的观念。
In Year 9, you will start by examining what makes a question philosophical. For example, 'What is the meaning of life?' or 'How should we live?' are philosophical. You will learn that philosophy is not about finding easy answers but about exploring ideas with an open mind and respecting different viewpoints.
在 9 年级，你将从审视什么问题算作哲学问题入手。例如，“生命的意义是什么？”或“我们应当如何生活？”就是哲学问题。你将学到，哲学不在于找到轻松答案，而在于以开放的心态探索各种观点并尊重不同立场。
2. The Main Branches of Philosophy | 哲学的主要分支
Philosophers divide their subject into several branches, each addressing a different type of question. The main branches you will encounter in Year 9 include metaphysics, epistemology, ethics, logic, and aesthetics. Understanding these areas will help you see how philosophical topics connect.
哲学家们将该学科分为多个分支，每个分支处理不同类型的问题。你在 9 年级会遇到的主要分支包括形而上学、认识论、伦理学、逻辑学和美学。理解这些领域将有助于你看到哲学议题之间的联系。
| Branch | Core Question |
|---|---|
| Metaphysics | What is real? What exists? |
| Epistemology | What is knowledge? How do we know things? |
| Ethics | What is right and wrong? How should we live? |
| Logic | What makes a good argument? |
| Aesthetics | What is beauty? What is art? |
下表展示了哲学主要分支及其关注的核心问题：形而上学探究实在和存在；认识论研究知识与信念；伦理学关乎对错与生活方式；逻辑学分析推理的规则；美学探讨美与艺术。
3. How to Think Like a Philosopher | 如何像哲学家一样思考
Thinking like a philosopher means questioning assumptions you usually take for granted. For example, why do you believe that the sun will rise tomorrow? A philosopher asks whether past experience truly guarantees future events, pushing you to examine the basis of your beliefs.
像哲学家一样思考意味着质疑你通常视为理所当然的假设。例如，你为什么相信太阳明天会升起？哲学家会问以往的经验是否真能保证未来事件的发生，促使你审视自己信念的基础。
Another key skill is clarifying concepts. Philosophers spend time defining words like 'justice', 'freedom', or 'knowledge' because clear definitions prevent misunderstandings. When you encounter a vague term, asking 'What exactly does this mean?' is a philosophical reflex.
另一个关键技能是澄清概念。哲学家会花时间定义诸如“正义”、“自由”或“知识”之类的词语，因为清晰的定义能防止误解。当你遇到模糊的词语时，问一句“这到底是什么意思？”就是一种哲学式的反射。
Finally, philosophers construct and evaluate arguments. An argument is a series of statements where one (the conclusion) is supported by others (premises). You will learn to identify premises and conclusions in everyday debates and to judge whether the reasoning is strong.
最后，哲学家构建并评价论证。论证是一系列陈述，其中一个（结论）由其他陈述（前提）支持。你将学习在日常辩论中识别前提和结论，并判断其推理是否有力。
4. Understanding Arguments | 理解论证
In philosophy, we distinguish between deductive and inductive arguments. A deductive argument aims to guarantee the truth of its conclusion if the premises are true, while an inductive argument only makes the conclusion probable based on available evidence.
哲学中，我们区分演绎论证和归纳论证。演绎论证旨在当所有前提为真时保证结论为真，而归纳论证仅根据现有证据使结论具有可能性。
An argument is valid if the conclusion logically follows from the premises, even if the premises are false. For example, 'All cats are reptiles. (Premise 1) Fluffy is a cat. (Premise 2) Therefore, Fluffy is a reptile. (Conclusion)' is valid in structure, though the first premise is false. A sound argument is both valid and has true premises.
一个论证如果结论能从前提中合乎逻辑地得出，即使前提为假，也是有效的。例如，“所有猫都是爬行动物。（前提1）Fluffy 是猫。（前提2）因此，Fluffy 是爬行动物。（结论）”这个论证在结构上有效，尽管第一个前提为假。一个可靠的论证既是有效的，又拥有真实的前提。
Common logical fallacies, like attacking the person instead of the argument (ad hominem), weaken reasoning. Learning to spot these errors will sharpen your own writing and help you evaluate others' claims more objectively.
常见的逻辑谬误，如攻击提出论证的人而非论证本身（人身攻击），会削弱推理。学会识别这些错误将提升你的写作能力，并帮助你更客观地评价他人的主张。
5. Epistemology: What Can We Know? | 认识论：我们能知道什么？
Plato defined knowledge as 'justified true belief'. According to this traditional view, you know something if you believe it, it is true, and you have good reasons (justification) for believing it. This sets a high standard for counting something as knowledge.
柏拉图将知识定义为“被证成的真信念”。按照这种传统看法，如果你相信某事、它为真、而且你有充分理由（证成）相信它，你就知道这件事。这为知识设定了很高的标准。
But is justification alone enough? Imagine a stopped clock that you glance at when it happens to show the correct time. Your belief about the time is true and justified (you trust the clock), but many philosophers would deny that you genuinely know the time. This type of puzzle, known as the Gettier problem, suggests knowledge may require something beyond justified true belief.
但仅有证成就足够吗？想象一个停止走动的钟，你碰巧在它显示正确时间时看了一眼。你关于时间的信念为真且有证成（你相信这个钟），但许多哲学家会否认你真的知道时间。这类谜题被称为葛梯尔问题，它表明知识可能需要在被证成的真信念之外还需要更多条件。
6. Ethics: Right and Wrong | 伦理学：对与错
Ethics asks how we should live and what makes actions right or wrong. One famous thought experiment is the Trolley Problem: a runaway trolley is heading towards five people tied to the track. You can pull a lever to divert it onto a side track where one person is tied. What should you do?
伦理学探讨我们应如何生活，以及什么使行为正确或错误。一个著名的思想实验是电车难题：一辆失控的电车正驶向被绑在轨道上的五个人。你可以拉动拉杆将电车转向侧轨，但侧轨上绑着一个人。你该怎么做？
Utilitarianism, proposed by Jeremy Bentham, says the right action is the one that produces the greatest happiness for the greatest number. A utilitarian would likely pull the lever, saving five lives at the cost of one, because the outcome maximises overall well-being.
边沁提出的功利主义认为，正确的行为是能为最大多数人带来最大幸福的行为。功利主义者很可能会拉动拉杆，以牺牲一人为代价拯救五人，因为这一结果使整体福祉最大化。
Deontology, defended by Immanuel Kant, focuses on moral rules and duties. It argues that we should never use people merely as a means to an end. From this perspective, deliberately causing the death of one person to save five is wrong, because it treats that individual as a mere tool, violating their dignity.
康德主张的义务论则关注道德规则和责任。它认为我们绝不应当仅仅把人当作达到目的的手段。按照这种观点，故意造成一个人的死亡来拯救五个人是错误的，因为这把那个人仅仅当成了工具，侵犯了其尊严。
7. Personal Identity: Who Am I? | 人格同一性：我是谁？
What makes you the same person over time? The Ship of Theseus thought experiment raises a parallel question: if every plank of a ship is gradually replaced, is it still the same ship? Philosophers use this to question whether identity relies on material continuity.
是什么让你随着时间的推移仍是同一个人？忒修斯之船的思想实验提出了类似的问题：如果一艘船的每块木板都被逐渐更换，它还是原来那艘船吗？哲学家们借此质疑同一性是否依赖于物质连续性。
The psychological continuity theory, associated with John Locke, claims that personal identity lies in memory and consciousness. If you remember your past experiences and your mental states continue, you remain the same person even if your body changes.
与洛克相关的心理连续性理论声称，人格同一性在于记忆和意识。如果你记得过去的经历并且你的心理
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