📚 Year 11 CAIE Philosophy: Core Concepts Review | Year 11 CAIE 哲学：核心知识点梳理
Philosophy invites us to question the fundamental nature of existence, knowledge, values, and society. For Year 11 CAIE students, mastering the core themes of epistemology, ethics, philosophy of mind, philosophy of religion, and political philosophy is essential. This revision guide distils the key concepts, arguments, and thinkers across these areas into a clear, bilingual summary to support your exam preparation.
哲学引导我们去追问存在、知识、价值与社会的根本性质。对 Year 11 CAIE 学生而言，掌握认识论、伦理学、心灵哲学、宗教哲学和政治哲学的核心主题至关重要。这份复习指南将这些领域的关键概念、论证和思想家提炼为清晰的双语总结，为你的考试准备提供支持。
1. What is Philosophy? | 什么是哲学？
Philosophy is the rational inquiry into foundational questions that cannot be settled by empirical science alone. It uses logical analysis, conceptual clarification, and critical argument to examine our most basic assumptions about reality, knowledge, and the good life. Unlike the natural sciences, philosophy rarely looks through a microscope; instead, it scrutinises the coherence of our beliefs and the strength of our reasoning.
哲学是对那些无法单靠经验科学解决的根本问题所进行的理性探究。它运用逻辑分析、概念澄清和批判性论证，审视我们对实在、知识与良善生活的基本预设。与自然科学不同，哲学很少使用显微镜；它仔细考查我们信念的融贯性以及推理的强度。
At IGCSE level, you engage with several branches: epistemology, ethics, philosophy of mind, philosophy of religion, and optional areas like political philosophy. Each branch equips you with tools to evaluate claims, spot fallacies, and construct reasoned positions. This skill set is what makes philosophy a genuinely transformative subject, not just a set of facts to memorise.
在 IGCSE 阶段，你会接触几个分支：认识论、伦理学、心灵哲学、宗教哲学以及政治哲学等选修领域。每一个分支都提供工具，让你学会评价断言、识别谬误并构建有理有据的立场。正是这种技能组合使哲学成为一门真正能改变思维方式的学科，而不只是一套需要记忆的事实。
2. Epistemology: Knowledge and Belief | 认识论：知识与信念
Epistemology tackles the question "What is knowledge?" The traditional answer, dating back to Plato, is that knowledge is justified true belief (JTB). On this account, you know that P if and only if you believe P, P is true, and you have adequate justification for believing P. For a CAIE exam, you must be able to state and explain each component clearly.
认识论探讨“什么是知识？”的问题。传统答案可追溯至柏拉图，即知识是确证的真信念（JTB）。据此，你知道 P 当且仅当你相信 P，P 为真，并且你拥有相信 P 的充分确证。在 CAIE 考试中，你必须能够清楚陈述并解释每一个构成要素。
However, Edmund Gettier's famous counterexamples show that JTB may not be sufficient. In a typical Gettier case, someone forms a true belief based on evidence that is accidentally reliable. The belief is justified and true, yet intuitively we do not call it knowledge. This problem drives debates about whether we need a fourth condition, such as a no-defeater clause or a reliable causal connection.
然而，埃德蒙·盖提尔著名的反例表明 JTB 或许并不充分。在典型的盖提尔案例中，一个人基于碰巧可靠的证据形成了真信念。该信念既确证又为真，但在直觉上我们并不称之为知识。这一问题引发了争论：我们是否需要第四个条件，例如无否决子条款或可靠的因果联系。
3. Sources of Knowledge: Rationalism vs Empiricism | 知识的来源：理性主义与经验主义
Rationalism argues that reason is the primary source of knowledge, and that certain truths can be known a priori, independent of sensory experience. Descartes, for example, used a method of systematic doubt to arrive at the indubitable proposition "I think, therefore I am" (cogito ergo sum). He then claimed that clear and distinct intellectual perception guarantees truth.
理性主义主张理性是知识的主要来源，某些真理可以通过先验方式获知，而不依赖于感官经验。例如，笛卡尔运用系统怀疑的方法，得出了无可怀疑的命题“我思故我在”（cogito ergo sum）。他继而断言，清晰明确的理智感知保证真理。
Empiricism, by contrast, maintains that all knowledge ultimately comes from sense experience. John Locke likened the mind at birth to a tabula rasa, a blank slate. For empiricists, even complex ideas are built from simple impressions. David Hume pushed this further, arguing that we have no rational justification for causation; we only observe constant conjunction, and our expectation of necessity is a mental habit, not a rational insight.
经验主义则主张一切知识最终来自感官经验。约翰·洛克将人类初生时的心灵比作 tabula rasa，即一块白板。对经验主义者而言，就连复杂观念也是由简单印象构建而来。大卫·休谟进一步推进，认为我们在因果性上没有理性确证；我们只是观察到恒常联结，对必然性的期待只是心理习惯，而非理性洞见。
CAIE requires you to contrast these approaches, evaluating strengths and weaknesses. Rationalism seems to explain mathematical and logical knowledge well, but it struggles with the empirical content of the world. Empiricism grounds knowledge in observation but faces the problem of induction: the future might not resemble the past.
CAIE 希望你对比这两种进路，评价其优缺点。理性主义似乎能很好地解释数学和逻辑知识，但在世界的经验内容上却力不从心。经验主义把知识奠基于观察，却面临归纳问题：未来未必与过去相似。
4. Skepticism and the Limits of Knowledge | 怀疑论与知识的界限
Philosophical skepticism questions whether we can know anything at all. Global skepticism suggests that knowledge is impossible because we cannot rule out certain sceptical scenarios, such as Descartes' evil demon or the modern brain-in-a-vat hypothesis. If we cannot definitively know that we are not being deceived, then, the argument goes, our ordinary knowledge claims collapse.
哲学怀疑论质疑我们究竟能否认识任何事物。全局怀疑论认为，知识是不可能的，因为我们无法排除某些怀疑论情境，比如笛卡尔的恶魔或现代的缸中之脑假设。论证大致如此：如果我们无法确知自己并未受骗，那么我们日常的知识主张便站不住脚。
Local skepticism is less radical. It restricts doubt to particular domains, such as other minds, the external world, or the past. Hume's scepticism about causation is a form of local scepticism. In response, philosophers have developed various anti-sceptical strategies, including G. E. Moore's famous "Here is one hand" common-sense argument and reliabilist theories that claim if our belief-forming processes are generally reliable, we possess knowledge even if we cannot refute the sceptic's hypothesis.
局部怀疑论则不那么彻底，它把怀疑局限于特定领域，比如他心、外部世界或过去。休谟对因果性的怀疑就是一种局部怀疑。作为回应，哲学家发展出多种反怀疑论策略，包括摩尔著名的“这是一只手”常识论证，以及可靠主义理论——主张若我们的信念形成过程一般可靠，即使无法驳倒怀疑论假设，我们也拥有知识。
5. Ethics: Normative Theories | 伦理学：规范理论
Ethics examines how we ought to live and what makes actions right or wrong. The three major normative theories at IGCSE are utilitarianism, deontology, and virtue ethics. Utilitarianism, associated with Jeremy Bentham and John Stuart Mill, is a consequentialist theory. It states that the morally right action is the one that maximises overall happiness or pleasure and minimises pain.
伦理学审视我们应当如何生活，以及是什么使得行为正确或错误。IGCSE 阶段三大规范理论是功利主义、义务论和美德伦理学。与边沁和密尔相联系的功利主义是一种后果论，主张道德上正确的行为就是最大化总体幸福或快乐，并最小化痛苦的行为。
Deontology, most famously defended by Immanuel Kant, holds that the moral worth of an action lies in the intention and in following duty, not in consequences. Kant's categorical imperative requires that you act only according to that maxim which you can at the same time will to become a universal law, and that you treat humanity, whether in yourself or in others, always as an end and never merely as a means.
义务论最知名的辩护者是康德，它主张行为的道德价值在于意图与遵循义务，而不在于后果。康德的定言命令要求：你只应当按照你同时愿意其成为一条普遍法则的准则去行动；并且，你应当总是把人——无论是你自己还是他人——当作目的，而绝不仅仅当作手段。
Virtue ethics, rooted in Aristotle, focuses on character rather than discrete actions or rules. It asks what kind of person one should be and identifies virtues such as courage, temperance, and wisdom. The doctrine of the mean holds that virtue is a disposition to choose the intermediate between excess and deficiency relative to the situation.
美德伦理学根植于亚里士多德，关注的不是孤立的行为或规则，而是品格。它追问一个人应当成为何种人，并识别出勇敢、节制、智慧等美德。中庸之道主张，美德是一种在过度与不足之间依据具体情况选取适中的品质。
6. Ethical Issues: Applying Moral Reasoning | 伦理问题：运用道德推理
CAIE expects you to apply ethical theories to concrete dilemmas such as lying, abortion, animal rights, or euthanasia. For instance, a Kantian would argue that lying is always wrong because universalising the maxim of lying would undermine trust and render language meaningless. By contrast, a utilitarian might permit lying if it produces greater overall happiness, such as saving an innocent life.
CAIE 期望你将伦理理论应用于具体困境，如说谎、堕胎、动物权利或安乐死。例如，康德主义者会论证说谎永远是错误的，因为将说谎的准则普遍化会破坏信任，使语言失去意义。相比之下，功利主义者可能允许说谎，若能带来更大的幸福，比如拯救无辜生命。
When evaluating arguments, you should identify the key moral principles at stake, consider the relevant facts, and assess whether a theory yields counterintuitive results. You must also avoid common fallacies such as appeal to emotion or begging the question. The skill of balancing rights, consequences, and virtues is at the heart of ethical reasoning.
在评价论证时，你需要识别涉及的核心道德原则，考虑相关事实，并评估某个理论是否会导致反直觉的结论。同时，你必须避免常见的谬误，如诉诸情感或乞题。在种种权利、后果与美德之间取得平衡，是道德推理的核心技能。
7. Philosophy of Mind: The Mind-Body Problem | 心灵哲学：心身问题
The mind-body problem asks: what is the relationship between mental states—like beliefs, desires, and sensations—and physical states of the brain and body? This issue is central to the CAIE syllabus. Dualism, substance monism, and various forms of physicalism all offer competing answers.
心身问题追问：诸如信念、欲望与感觉等心理状态，与大脑和身体的物理状态之间是什么关系？这一问题在 CAIE 大纲中处于核心地位。二元论、实体一元论及各种形式的物理主义都提供了相互竞争的答案。
Substance dualism, championed by Descartes, claims that the mind is a non-physical substance that can exist independently of the body. Its main attraction is that it accounts for the privacy and qualitative feel (qualia) of conscious experience. However, it faces the interaction problem: how can a non-physical mind cause physical events if it occupies no space?
实体二元论由笛卡尔倡导，主张心灵是一种非物理的实体，能够独立于身体而存在。其主要吸引力在于，它解释了意识经验的主观私密性和感受特质（qualia）。然而，它面临着交互作用问题：如果非物理的心灵不占据空间，它如何引起物理事件？
8. Dualism vs Materialism | 二元论与唯物主义
Materialism (or physicalism) is the view that the only substance is physical matter, and mental states are identical with, or depend upon, brain states. Type identity theory asserts that mental states are numerically identical to brain states, just as water is H₂O. This elegantly solves the interaction problem, but critics argue that it cannot fully capture the subjective character of experience, often illustrated by Frank Jackson's "Mary the colour scientist" thought experiment.
唯物主义（或物理主义）认为，唯一的实体是物质，心理状态等同于或依赖于大脑状态。类型同一论断言，心理状态与大脑状态在数值上是同一的，正如水等同于 H₂O。这巧妙地解决了交互问题，但批评者认为它无法完全捕捉经验的主观特征，弗兰克·杰克逊的“颜色科学家玛丽”思想实验就说明了这一点。
Functionalism offers a middle ground. It identifies mental states by their causal roles—what they are caused by and what they cause—rather than by their physical constitution. This allows mental states to be realised by different physical substrates, such as silicon chips in an artificial intelligence. Yet functionalism arguably leaves out the first-person, qualitative feel of consciousness, the very thing we want to explain.
功能主义提供了一种中间立场。它通过因果角色（即什么引起它们，它们又引起了什么）来识别心理状态，而不是通过物理构成。这使得心理状态可由不同的物理基底实现，比如人工智能中的硅芯片。然而，功能主义可能遗漏了第一人称的意识感受特质，而这恰恰是我们想解释的东西。
9. Philosophy of Religion: Arguments for God's Existence | 宗教哲学：上帝存在的论证
Philosophy of religion does not assume any particular faith; it uses reason to examine arguments for and against the existence of God. The three classical arguments are the ontological, cosmological, and teleological (design) arguments. Anselm's ontological argument attempts to prove God's existence a priori from the very concept of a being "that than which nothing greater can be conceived."
宗教哲学不预设任何特定信仰，它运用理性来考察支持和反对上帝存在的论证。三种经典论证是本体论论证、宇宙论论证和目的论（设计）论证。安瑟伦的本体论论证试图单凭“无法设想比之更伟大的存在”这一概念，就先天证明上帝存在。
The cosmological argument, in its Thomistic version, posits God as the uncaused first cause or necessarily existent being that explains why the contingent universe exists. Meanwhile, William Paley's watchmaker analogy argues that the intricate design in nature implies an intelligent designer. Each argument has well-known objections: Gaunilo parodied the ontological argument with a "perfect island," Hume questioned the causal principle, and Darwinian evolution offers a naturalistic alternative to the design hypothesis.
宇宙论论证在其托马斯主义版本中，将上帝设定为无原因的第一因或必然存在者，以此解释偶然宇宙的存在。同时，威廉·佩利的手表类比论证认为，自然界中的精巧设计暗示着一位有智慧的设计者。每种论证都有著名的反驳：高尼罗用一个“完美岛屿”戏仿本体论论证；休谟质疑因果原则；达尔文进化论则为设计假说提供了自然主义的替代方案。
10. The Problem of Evil | 恶的问题
The problem of evil challenges the existence of an all-powerful, all-knowing, and all-good God given the reality of intense suffering. The logical problem asserts that the existence of any evil is logically incompatible with such a God. The evidential problem, championed by figures like William Rowe, argues that the amount and distribution of pointless suffering makes God's existence highly improbable.
恶的问题对全能、全知、全善的上帝存在构成挑战，因为现实中存在着强烈的苦难。逻辑问题断言任何恶的存在都与这样的上帝在逻辑上不相容。证据问题，由威廉·罗等人倡导，则认为大量毫无意义的苦难及其分布使得上帝的存在极不可能。
Common theodicies (defences) include the free will defence, which claims that moral evil results from the misuse of creaturely free will, and that a world with free will and its possible evils is better than a world without freedom. The soul-making theodicy, associated with Irenaeus and John Hick, argues that suffering is necessary for moral and spiritual development. Evaluating these responses is essential: do they fully justify natural evils like earthquakes, or the suffering of innocent children?
常见的神正论（辩护）包括自由意志辩护，它声称道德恶源于受造物对自由意志的滥用，并且一个拥有自由意志及可能作恶的世界胜过没有自由的世界。灵魂塑造神正论与爱任纽和约翰·希克相关，论证苦难对于道德和灵性成长是必要的。评价这些回应至关重要：它们能否充分为自然灾害或无辜儿童的苦难提供辩护？
11. Political Philosophy: Authority and the State | 政治哲学：权威与国家
Political philosophy asks under what conditions political authority is legitimate. Social contract theories imagine a pre-political "state of nature" to justify the state. Thomas Hobbes described the state of nature as a war of all against all, where life is "solitary, poor, nasty, brutish, and short." To escape this, individuals consent to surrender their freedom to an absolute sovereign in exchange for security.
政治哲学追问政治权威在什么条件下是正当的。社会契约理论设想出一种前政治的“自然状态”，以此为国家的正当性辩护。托马斯·霍布斯将自然状态描述为一场一切人反对一切人的战争，其中生活“孤独、贫困、卑污、残忍而短寿”。为了逃离这种状态，个体同意将自由交给一个绝对主权者，以换取安全。
John Locke had a more optimistic view of the state of nature, seeing it as governed by natural law where individuals already possess rights to life, liberty, and property. For Locke, the state's role is to protect these pre-existing rights, and if it fails, revolution may be justified. Jean-Jacques Rousseau, by contrast, emphasised the "general will" and the collective good, arguing that true freedom is found in self-governance under laws we prescribe to ourselves.
约翰·洛克对自然状态的看法更为乐观，认为它由自然法支配，个体已经拥有生命、自由和财产权。对洛克而言，国家的角色是保护这些先已存在的权利，如果它做不到，革命就有了正当性。卢梭则强调“公意”与集体善，主张真正的自由存在于我们按照自己订立的法则进行自我治理之中。
12. Justice and Liberty | 正义与自由
Questions of justice concern how benefits and burdens should be distributed among members of a society. A utilitarian approach might advocate whatever distribution maximises overall welfare, even if it creates significant inequalities. In sharp contrast, John Rawls' theory of justice as fairness rests on two principles: equal basic liberties for all, and the difference principle, which permits inequalities only if they benefit the least advantaged and are attached to positions open to all under fair equality of opportunity.
正义问题关乎社会成员间利益和负担如何分配。功利主义进路可能主张无论什么样的分配，只要最大化总体福利即可，哪怕造成严重不平等。与此形成鲜明对照的是，罗尔斯的公平正义理论立足于两个原则：所有人拥有平等的基本自由；以及差异原则——只允许那种能有利于最不利者，并且职务与岗位在公平的机会平等条件下向所有人开放的不平等。
Liberty, a closely related concept, can be understood in negative and positive terms. Isaiah Berlin's famous distinction highlights that negative liberty is freedom from interference by others, while positive liberty is the capacity to be one's own master, to act in accordance with rational self-direction. Tensions arise when the state promotes positive liberty at the expense of negative freedom, a concern that echoes through debates on paternalism and the limits of law.
自由这一紧密相关的概念，可从消极和积极两个维度来理解。以赛亚·伯林的著名区分指出，消极自由是不受他人干涉的自由，而积极自由则是做自身主人的能力，按照理性的自我指导来行动的自由。当国家以牺牲消极自由为代价来促进积极自由时，紧张关系便会出现，这一忧虑贯穿于关于家长主义与法律边界的诸多辩论之中。
When revising, remember that CAIE examiners value your ability to explain ideas clearly, compare theories fairly, and provide your own critical assessment. Practise writing structured essays that lay out an argument, consider objections, and reach a reasoned conclusion. Philosophy is not about recalling slogans but about engaging in thoughtful dialogue with the great thinkers.
复习时请记住，CAIE 考官看重你清晰解释观点、公正比较理论并给出自己批判性评价的能力。练习撰写结构严谨的论文，呈现论证、考虑反驳并得出经过推理的结论。哲学不是背诵口号，而是与伟大思想家进行有深度的对话。
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