KS3 Cambridge Philosophy: Core Knowledge Review | 核心知识点梳理

📚 KS3 Cambridge Philosophy: Core Knowledge Review | 核心知识点梳理

Welcome to the KS3 Cambridge Philosophy revision guide. Philosophy means ‘love of wisdom’ and involves asking big questions about existence, knowledge, values, reason, mind, and language. This article covers the essential topics you will meet in the Cambridge curriculum, from logic and ethics to political philosophy and famous thinkers. Understanding these core concepts will help you think critically, build strong arguments, and appreciate different worldviews.

欢迎使用KS3剑桥哲学复习指南。哲学意为“爱智慧”，它探讨存在、知识、价值、理性、心灵和语言等重大问题。本文涵盖剑桥课程中你必须掌握的核心主题，从逻辑、伦理学到政治哲学和著名思想家。理解这些核心概念将帮助你进行批判性思考、构建有力论证，并理解不同的世界观。

1. What is Philosophy? | 什么是哲学？

Philosophy is the study of fundamental questions about reality, knowledge, and how we should live. Unlike science, which relies on experiments, philosophy uses reason, logic, and critical thinking to examine concepts we often take for granted. It asks questions like: ‘What is truth?’, ‘Do we have free will?’, and ‘What makes an action right or wrong?’

哲学是对现实、知识以及我们应该如何生活等根本问题的研究。与依赖实验的科学不同，哲学运用理性、逻辑和批判性思维来审视我们通常习以为常的概念。它提出的问题包括：“什么是真理？”、“我们有自由意志吗？”以及“什么使一个行为正确或错误？”

In the Cambridge KS3 course, you will learn to approach problems philosophically by asking ‘Why?’ and ‘What if?’. You will explore different branches of philosophy: metaphysics (what exists), epistemology (how we know), ethics (right and wrong), and logic (correct reasoning). This broad introduction helps you develop a questioning mindset.

在剑桥KS3课程中，你将学会用哲学方式处理问题，不断追问“为什么？”和“如果……会怎样？”。你将探索哲学的不同分支：形而上学（存在什么）、认识论（我们如何知道）、伦理学（对与错）以及逻辑学（正确推理）。这个广泛的入门将帮助你养成质疑的思维习惯。

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2. Logic and Argumentation | 逻辑与论证

Logic is the branch of philosophy that studies the principles of correct reasoning. An argument in philosophy is not a quarrel but a set of statements (premises) intended to support a conclusion. A valid argument is one where if the premises are true, the conclusion must be true. A sound argument is a valid argument with true premises.

逻辑学是研究正确推理原则的哲学分支。哲学中的论证不是争吵，而是一组旨在支持某个结论的陈述（前提）。一个有效的论证是指，如果前提为真，则结论必然为真。一个可靠的论证是指有效且前提为真的论证。

You will learn to identify common logical fallacies, such as ad hominem (attacking the person rather than the argument), straw man (misrepresenting an argument to make it easier to attack), and false dilemma (presenting only two options when more exist). Recognising these flaws strengthens your own reasoning and helps you evaluate others’ claims.

你将学习识别常见的逻辑谬误，例如人身攻击（攻击人而非论点）、稻草人谬误（曲解论点以便更容易攻击）和虚假两难（只给出两个选项，而实际存在更多）。识别这些缺陷能加强你自己的推理，并帮助你评估他人的主张。

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3. Ethics: Right and Wrong | 伦理学：对与错

Ethics explores questions about how we ought to live and what makes actions morally right or wrong. Three major theories often introduced at KS3 are consequentialism, deontology, and virtue ethics. Consequentialism (like utilitarianism) judges actions by their outcomes – the greatest good for the greatest number. Deontology (associated with Immanuel Kant) focuses on duties and rules, such as ‘never lie’, regardless of consequences. Virtue ethics (Aristotle) emphasises developing good character traits, like courage and honesty.

伦理学探讨我们应该如何生活以及什么使行为在道德上正确或错误。KS3阶段常介绍的三大理论是：后果论、义务论和德性伦理。后果论（如功利主义）根据结果来评判行为——追求最大多数人的最大幸福。义务论（与康德相关）关注义务和规则，如“永不撒谎”，不论后果如何。德性伦理（亚里士多德）则强调培养良好的品格特质，如勇气和诚实。

You will also examine real-life ethical dilemmas, such as the trolley problem: a runaway trolley is about to kill five people; you can pull a lever to divert it to another track where it will kill one person. Is it right to sacrifice one to save five? This helps you apply ethical theories and reflect on your own values.

你还将审视现实生活中的道德困境，例如电车难题：一辆失控的电车即将撞死五个人；你可以拉动拉杆将电车转向另一条轨道，但那会撞死一个人。牺牲一人救五人是否正确？这有助于你运用伦理学理论并反思自己的价值观。

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4. Epistemology: How Do We Know? | 认识论：我们如何知道？

Epistemology is the theory of knowledge. It asks: ‘What is knowledge?’, ‘How do we acquire it?’, and ‘What can we be certain of?’. Traditionally, knowledge is defined as justified true belief. For you to know something, it must be true, you must believe it, and you must have good reasons (justification) for that belief. However, challenges like the Gettier problem show that justified true belief might not always be sufficient for knowledge.

认识论是关于知识的理论。它追问：“什么是知识？”、“我们如何获得知识？”以及“我们能确定什么？”。传统上，知识被定义为得到证成的真信念。要让你知道某事，它必须是真的，你必须相信它，并且你必须有好的理由（证成）来支持这个信念。然而，盖梯尔问题等挑战表明，得到证成的真信念可能并不总是足以构成知识。

Sources of knowledge include perception, reason, testimony, and memory. Philosophers also distinguish between a priori knowledge (independent of experience, e.g., 2 + 3 = 5) and a posteriori knowledge (based on experience, e.g., water boils at 100°C). You will discuss scepticism – the view that we cannot know anything for certain – and responses such as Descartes’ ‘I think, therefore I am’.

知识的来源包括感知、理性、证词和记忆。哲学家还区分了先验知识（独立于经验，如 2 + 3 = 5）和后验知识（基于经验，如水在 100°C 沸腾）。你将讨论怀疑论——即我们无法确定任何知识的观点——以及对此的回应，如笛卡尔的“我思故我在”。

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5. The Mind-Body Problem | 心灵与身体问题

The mind-body problem concerns the relationship between the mind (consciousness, thoughts, feelings) and the physical body. Dualism, defended by Descartes, holds that mind and body are two distinct substances: the mind is non-physical and the body is physical. This raises the question of how they interact. Materialism (or physicalism), in contrast, argues that the mind is entirely physical – mental states are brain states. A third view is functionalism, which claims that mental states are defined by their causal roles, not by what they are made of.

心灵与身体问题涉及心灵（意识、思想、感受）与物质身体之间的关系。笛卡尔所辩护的二元论认为，心灵与身体是两种不同的实体：心灵是非物质的，身体是物质的。这引发了它们如何相互作用的问题。与之相反，唯物主义（或物理主义）主张心灵完全是物质的——心理状态就是大脑状态。第三种观点是功能主义，它声称心理状态由其因果角色定义，而非由构成它们的材料定义。

At KS3 you might explore thought experiments like the ‘brain in a vat’ or ‘Mary’s room’. Mary is a top neuroscientist who has never seen colour but knows all the physical facts about colour vision. When she finally sees red, does she learn something new? This challenges the idea that physical facts explain everything about consciousness.

在KS3阶段，你可能会探讨“缸中之脑”或“玛丽房间”等思想实验。玛丽是一位顶尖神经科学家，她从未见过颜色但了解关于颜色视觉的所有物理事实。当她最终看到红色时，她是否学到了新东西？这挑战了物理事实能解释意识全部内容的观点。

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6. Does God Exist? Arguments For and Against | 上帝存在吗？正反论证

The philosophy of religion examines arguments for and against the existence of God. Key arguments for God’s existence include the design argument (teleological argument): the complexity of the universe suggests a designer, like a watch implies a watchmaker. The cosmological argument states that everything has a cause; there must be a first uncaused cause, which is God. The ontological argument attempts to prove God’s existence from the concept of a perfect being.

宗教哲学审视支持与反对上帝存在的论证。支持上帝存在的关键论证包括设计论证（目的论论证）：宇宙的复杂性暗示了设计者的存在，就像手表意味着制表匠。宇宙论论证指出，一切事物都有原因；必定存在一个最初的不动之动者，即上帝。本体论论证则试图从完美存在的概念出发证明上帝存在。

Arguments against include the problem of evil: if God is all-powerful and all-good, why does evil exist? The argument from inconsistent revelations points out that different religions make contradictory claims, so not all can be true. Additionally, some argue that the burden of proof lies with those claiming that God exists, and without sufficient evidence, atheism is the default.

反对的论证包括恶的问题：如果上帝是全能和全善的，为什么恶还存在？来自不一致启示的论证指出，不同宗教提出相互矛盾的主张，因此不可能全部为真。此外，一些人主张举证责任在于声称上帝存在的一方，没有充分证据时，无神论是默认立场。

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7. Political Philosophy: Justice and Rights | 政治哲学：正义与权利

Political philosophy asks how society should be organised and what makes a government legitimate. You will examine concepts like justice, freedom, equality, and rights. John Rawls’s theory of ‘justice as fairness’ uses a thought experiment called the ‘original position’ behind a ‘veil of ignorance’, where people design a society without knowing their own place in it. This encourages fair principles that protect the least advantaged.

政治哲学追问社会应该如何组织，以及什么使政府合法。你将审视正义、自由、平等和权利等概念。约翰·罗尔斯的“作为公平的正义”理论运用了“原初状态”和“无知之幕”的思想实验，人们在不知道自己在社会中位置的情况下设计社会。这鼓励了保护最不利者的公平原则。

Other key ideas include the social contract (Hobbes, Locke, Rousseau), where individuals give up some freedom in exchange for security and order. You might also debate positive vs negative freedom: freedom to achieve goals vs freedom from interference. Human rights, such as the right to life, liberty, and education, are also central to discussions about global justice.

其他关键思想包括社会契约论（霍布斯、洛克、卢梭），即个人为了安全和秩序而放弃部分自由。你还可能辩论积极自由与消极自由：实现目标的自由与免于干涉的自由。人权，如生命权、自由权和受教育权，也是全球正义讨论的核心。

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8. Philosophical Methods and Thought Experiments | 哲学方法与思想实验

Philosophers use various methods to clarify ideas and test theories. Conceptual analysis involves breaking down complex concepts into simpler components (e.g., ‘What is knowledge?’). Thought experiments are imaginary scenarios used to explore philosophical questions. Examples include Plato’s cave, the ship of Theseus, and the ticking bomb scenario in ethics.

哲学家运用多种方法来澄清观念并检验理论。概念分析涉及将复杂概念分解为更简单的组成部分（例如，“什么是知识？”）。思想实验是用于探索哲学问题的虚构场景。例子包括柏拉图的洞穴、忒修斯之船以及伦理学中的定时炸弹情境。

Critical thinking is central: you learn to identify premises, evaluate inferences, and detect bias. You also practice Socratic questioning – asking probing questions to expose hidden assumptions. Engaging in respectful dialogue and being open to having your own views challenged are key skills you develop throughout the KS3 course.

批判性思维是核心：你学会识别前提、评估推理过程并察觉偏见。你还练习苏格拉底式提问——提出探索性问题以揭示隐藏的假设。参与尊重的对话并愿意让自己的观点受到挑战，是你在整个KS3课程中培养的关键技能。

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9. Famous Philosophers and Their Ideas | 著名哲学家及其思想

Throughout KS3, you will encounter several influential thinkers. Socrates (ancient Greece) emphasised asking questions to gain wisdom: ‘I know that I know nothing.’ Plato, his student, proposed the theory of Forms – perfect, unchanging ideas that exist beyond the physical world. Aristotle, Plato’s student, focused on empirical observation and virtue ethics, teaching that happiness is achieved through a life of virtue.

在KS3课程中，你会遇到几位有影响力的思想家。苏格拉底（古希腊）强调通过提问来获取智慧：“我知道我一无所知。”他的学生柏拉图提出了理型论——存在于物理世界之外的完美、不变的理念。柏拉图的学生亚里士多德则专注于经验观察和德性伦理，教导说幸福通过德性生活来实现。

Rene Descartes (17th century) is famous for foundationalism and dualism, starting with the certainty of his own existence: ‘Cogito, ergo sum’. John Locke argued for empiricism – the mind is a blank slate at birth, and knowledge comes from experience. Immanuel Kant developed deontological ethics, centred on the categorical imperative: act only according to rules that could become universal laws.

勒内·笛卡尔（17世纪）以基础主义和二元论著称，从他自身存在的确定性出发：“我思故我在”。约翰·洛克主张经验主义——心灵在出生时是一块白板，知识来自经验。伊曼努尔·康德发展了义务论伦理学，以绝对命令为核心：只按照你愿意成为普遍法则的准则行动。

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10. Applying Philosophy in Everyday Life | 哲学在日常生活中的应用

Philosophy is not just for classrooms; it equips you with skills for daily life. When you evaluate news sources, you use epistemological principles to assess evidence and credibility. When you discuss moral dilemmas with friends, you draw on ethical frameworks. Even in making personal decisions, you rely on logic and critical thinking to weigh pros and cons.

哲学不只为课堂服务；它赋予你日常生活所需的技能。当你评估新闻来源时，你运用认识论原则来评价证据和可信度。当你与朋友讨论道德困境时，你借助伦理框架。即使在做出个人决定时，你也依赖逻辑和批判性思维来权衡利弊。

Debating clubs and student councils are practical arenas for philosophical engagement. You learn to construct coherent arguments, listen to opposing views, and revise your opinions when presented with good reasons. These habits of mind foster open-mindedness and intellectual humility – qualities highly valued in education and future careers.

辩论社团和学生会是参与哲学活动的实践场所。你学会构建连贯的论证，倾听对立观点，并在有充分理由时修正自己的意见。这些思维习惯培养开放心态和智识谦逊——这些品质在教育和未来职业生涯中备受珍视。

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Published by TutorHao | Philosophy Revision Series | aleveler.com

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