📚 Year 9 WJEC Philosophy: Core Knowledge Recap | WJEC 九年级哲学：核心知识点梳理
Philosophy at Year 9 introduces you to the big questions that have puzzled thinkers for centuries. This recap covers the core topics on the WJEC syllabus, from what knowledge is and how we gain it, to debates about God, ethics, the mind, and free will. Use it to check your understanding and build a strong foundation for later study.
九年级的哲学课程将带你探索那些困扰了思想家们几个世纪的大问题。这篇梳理覆盖了 WJEC 教学大纲的核心主题，从什么是知识、我们如何获得知识，到关于神、伦理、心灵和自由意志的辩论。用它来检查你的理解，并为后续学习打下扎实的基础。
1. What is Philosophy? | 哲学是什么？
Philosophy means 'love of wisdom'. It is the activity of asking fundamental questions about existence, knowledge, values, reason, mind, and language. Philosophy does not just collect facts; it challenges assumptions and tries to find clear answers through logical reasoning.
哲学的意思是“爱智慧”。它是一种追问关于存在、知识、价值、理性、心灵和语言等根本问题的活动。哲学不只是收集事实，它挑战假设，试图通过逻辑推理找到清晰的答案。
Philosophers use arguments, which are sets of statements where some (premises) support a conclusion. A good argument is valid (if the premises were true, the conclusion must be true) and sound (valid plus all premises are actually true). Critical thinking is the core skill in philosophy.
哲学家使用论证，即一组支持某个结论的陈述（前提）。一个好的论证是有效的（如果前提为真，结论必然为真）且可靠的（有效且所有前提确实为真）。批判性思维是哲学的核心技能。
2. Epistemology: Knowledge and Belief | 认识论：知识与信念
Epistemology is the theory of knowledge. It asks: What does it mean to know something? A common starting point is the tripartite definition: knowledge is justified true belief (JTB). You know something if you believe it, it is true, and you have good reasons or justification.
认识论是关于知识的理论。它问：知道某件事意味着什么？一个常见的出发点是三元定义：知识是得到辩护的真信念（JTB）。如果你相信某件事、它是真的，并且你有好的理由或辩护，那么你就知道它。
However, Gettier cases show that JTB may not be enough. In these thought experiments, a person has a justified true belief but it seems only accidentally true – we often say they do not really know. This has led philosophers to look for a fourth condition.
然而，葛梯尔案例表明 JTB 可能还不够。在这些思想实验中，一个人拥有得到辩护的真信念，但似乎只是偶然为真——我们往往认为他们并不真正知道。这促使哲学家去寻找第四个条件。
Also, distinguish between belief (accepting something as true) and knowledge (belief that meets higher standards). Certainty is rarely absolute; much of our knowledge is based on reasonable evidence.
还要区分信念（接受某事为真）和知识（满足更高标准的信念）。确定性很少是绝对的；我们的大部分知识都建立在合理的证据之上。
3. Sources of Knowledge: Rationalism vs. Empiricism | 知识来源：理性主义与经验主义
Rationalism holds that reason is the primary source of knowledge, and some ideas are innate. Descartes, for example, doubted everything he could, found he could not doubt his own existence ('I think, therefore I am'), and built knowledge from clear and distinct ideas.
理性主义认为理性是知识的主要来源，有些观念是与生俱来的。例如笛卡尔怀疑一切可以怀疑的东西，发现他无法怀疑自己的存在（“我思故我在”），并从清楚明白的观念出发建立知识体系。
Empiricism, by contrast, argues that all knowledge comes from sense experience. Locke claimed the mind is a tabula rasa (blank slate) at birth. We learn through observation, and there are no innate ideas. Hume pushed this further, arguing that causality is just a habit of thought formed by repeated experience.
相比之下，经验主义认为所有知识都来自感官经验。洛克声称心灵在出生时是一块白板。我们通过观察学习，没有天生的观念。休谟进一步推进，认为因果关系只是由重复经验形成的思维习惯。
ught alone), while empiricists point to our need to see and test to learn about the world.
九年级学生应能对比这些观点并举例：理性主义者可能指向数学真理（2+2=4 似乎仅靠思考就知道），而经验主义者则指出我们需要观察和检验才能了解世界。
4. The Problem of Evil | 恶的问题
The problem of evil challenges belief in an all-powerful, all-knowing, and all-good God. If God were all those things, why would He allow suffering? This is often framed as the logical problem of evil: it seems contradictory that an omnipotent, omnibenevolent God would permit evil to exist.
恶的问题挑战了对全能、全知、全善的上帝的信仰。如果上帝是所有这些，为什么他还允许苦难存在？这通常被表述为恶的逻辑问题：一个全能、全善的上帝允许恶存在似乎是矛盾的。
A common response is the free will defence: God gave humans free will, and evil results from misuse of that freedom. It is better to have a world with free creatures who can choose good over evil than a world of robots.
一个常见的回应是自由意志辩护：上帝赋予人类自由意志，恶源于对这种自由的滥用。拥有能够选择善而非恶的自由生物的世界，比一个由机器人构成的世界更美好。
Another reply points to soul-making: suffering helps us develop virtues like compassion and courage. Critics argue this does not explain excessive, apparently pointless suffering (like the suffering of animals or children).
另一个回应指向灵魂塑造：苦难帮助我们培养同情和勇气等美德。批评者认为这无法解释过度的、看似毫无意义的苦难（如动物或儿童的苦难）。
5. Arguments for the Existence of God | 上帝存在的论证
The teleological argument (design argument) observes that the universe shows order and purpose, like a watch. William Paley said if you found a watch on a heath, you would infer a watchmaker; similarly, the complexity of the universe implies a divine designer.
目的论论证（设计论证）观察到宇宙展现出秩序和目的，就像一块手表。威廉·佩利说，如果你在荒地上发现一块手表，你会推断有一个制表匠；同样，宇宙的复杂性暗示了一个神圣的设计者。
Hume criticised the design argument: the universe is not clearly like a machine; it may be a unique case. Also, even if a designer exists, it does not prove it is the God of classical theism – there could be many gods, or an imperfect designer.
休谟批评了设计论证：宇宙并不明显像一台机器；它可能是一个独特的案例。此外，即使存在一个设计者，也不能证明它就是古典有神论中的上帝——可能有许多神，或一个不完美的设计者。
The cosmological argument asks: Why is there something rather than nothing? Aquinas gave three ways, including the argument from motion and cause. Everything that moves is moved by another; there cannot be an infinite regress, so a First Mover (God) must exist.
宇宙论论证问：为什么存在万物而不是什么都没有？阿奎那提出了三种方式，包括从运动和因果出发的论证。每一个运动的事物都被另一个所推动；不可能有无穷倒退，因此必定有一个第一推动者（上帝）。
6. Ethical Theories: Utilitarianism | 伦理学理论：功利主义
Utilitarianism is a consequentialist theory: the right action is the one that produces the greatest happiness for the greatest number. Jeremy Bentham proposed the principle of utility, measuring pleasure and pain using the 'hedonic calculus', which looks at intensity, duration, certainty, and extent of pleasure.
功利主义是一种后果论理论：正确的行为是为最大多数人带来最大幸福的行为。边沁提出了功利原则，使用“快乐计算法”衡量快乐与痛苦，考察快乐的强度、持续时间、确定性和范围。
John Stuart Mill refined the theory, arguing that intellectual pleasures are qualitatively higher than bodily pleasures. He famously said: 'It is better to be a human being dissatisfied than a pig satisfied.'
约翰·斯图亚特·密尔改进了该理论，主张理智的快乐在质上高于身体的快乐。他有一句名言：“宁愿做一个不满足的人，也不做一只满足的猪。”
Problems with utilitarianism include the difficulty of calculating happiness, the potential to justify immoral acts if they lead to greater overall happiness, and ignoring individual rights or justice. Critics ask: what if punishing an innocent person makes the majority happy?
功利主义的问题包括计算快乐的困难，如果一些行为能带来更大的总体幸福就可能为不道德行为辩护，以及忽视个人权利或正义。批评者问：如果惩罚一个无辜的人能让大多数人快乐，这可以吗？
7. Deontological Ethics: Kantian Ethics | 义务论伦理学：康德伦理学
Deontology focuses on duties and rules, not consequences. Immanuel Kant argued that morality comes from reason, and the key principle is the categorical imperative: act only according to that maxim by which you can at the same time will that it should become a universal law.
义务论关注义务和规则，而不是后果。康德主张道德来自理性，关键原则是定言命令：只按照你同时希望它成为普遍法则的准则去行动。
This means before acting, ask: what if everyone did this? If the result is a contradiction or a world you could not rationally will, the act is wrong. For example, lying fails because if everyone lied, the institution of promising would collapse, making lying pointless.
这意味着在行动前，要问：如果每个人都这样做会怎样？如果结果是矛盾的或你无法理性意愿的世界，该行为就是错的。例如，说谎通不过测试，因为如果每个人都撒谎，承诺制度就会崩溃，说谎也就毫无意义了。
Kant also said we should treat humanity, whether in ourselves or others, always as an end and never merely as a means. This respects human dignity. A strength is that it protects rights, but a weakness is that it can be too rigid (e.g., never lying even to save a life).
康德还说过，我们应该始终把人性——无论是自己还是他人身上的人性——当作目的，而绝不仅仅当作手段。这尊重了人的尊严。其优点是保护权利，但缺点是可能过于死板（例如，即使为了救人也不说谎）。
8. The Mind-Body Problem | 心身问题
The mind-body problem asks: What is the relationship between the mind (consciousness, thoughts) and the physical brain? Dualism is the view that mind and body are separate substances. Descartes defended substance dualism: the mind is a non-physical thinking thing, while the body is extended in space.
心身问题问：心灵（意识、思想）和物理大脑之间是什么关系？二元论认为心灵和身体是两种独立的实体。笛卡尔捍卫了实体二元论：心灵是一个非物质的思考者，而身体在空间中具有广延。
Materialism (or physicalism) holds that the mind is not separate; mental states are brain states. For example, feeling pain is just certain neurons firing. This view fits with science but struggles to explain subjective experience – what it is like to see red or feel pain, known as qualia.
唯物主义（或物理主义）认为心灵不是独立的；心理状态就是大脑状态。例如，感到疼痛只是某些神经元在放电。这种观点与科学一致，但难以解释主观体验——看到红色或感到疼痛的主观感受，即感受质。
A third view is functionalism: mental states are defined by their causal roles (input-output), and could be realised in different physical systems, just as software runs on different hardware. The problem of consciousness remains a key debate.
第三种观点是功能主义：心理状态由其因果角色（输入-输出）定义，并且可以在不同的物理系统中实现，就像软件可以在不同硬件上运行一样。意识的问题仍然是一个关键争论。
9. Free Will and Determinism | 自由意志与决定论
Do we have free will, or is everything determined by prior causes? Determinism is the thesis that every event, including human choices, has a sufficient cause. Hard determinists argue that since all is determined, free will is an illusion and we should revise our practices of praise and blame.
我们拥有自由意志吗，还是说一切都是由先前的因果决定的？决定论主张每个事件，包括人的选择，都有一个充分的原因。强硬决定论者认为，既然一切都是被决定的，自由意志就是一种幻觉，我们应该改变我们赞扬和责备的做法。
Libertarianism in philosophy (not politics) asserts that free will is incompatible with determinism, but we do have free will. Some appeal to quantum indeterminacy or agent causation. Critics say this makes choices random, not free.
哲学中的自由意志论（不是政治上的）断言自由意志与决定论不相容，但我们确实拥有自由意志。有些人诉诸量子不确定或行动者原因。批评者认为这会使选择变得随机，而不是自由。
Soft determinism (compatibilism) argues that free will and determinism are compatible. Free actions are those caused by our own desires and character, without external coercion, even if those desires are themselves determined. This is a popular modern view.
温和决定论（相容论）认为自由意志和决定论是相容的。自由的行为是由我们自己的欲望和性格引起的行为，没有外部强制，即使这些欲望本身是被决定的。这是一种常见的现代观点。
10. Personal Identity | 人格同一性
What makes you the same person over time? The physical continuity theory says you remain the same person if you have the same living body or brain. But thought experiments like brain transplants challenge this: if your brain were put into another body, most people would say 'you' go with the brain.
是什么使你在时间中保持同一个人？身体连续性理论认为，如果你拥有同样的活体或大脑，你就是同一个人。但是像大脑移植这样的思想实验对此提出挑战：如果你的大脑被放进另一个身体，大多数人会认为“你”随着大脑走。
The psychological continuity view, influenced by John Locke, says personal identity depends on memory and psychological connections. You are the same person as a past self if you can remember that self's experiences. However, problems arise with forgotten memories or memory changes.
受到洛克影响的心理连续性观点认为，人格同一性取决于记忆和心理联系。如果你能记住过去自我的经历，你就与那个自我是同一个人。然而，遗忘的记忆或记忆改变会带来问题。
Another perspective is the narrative identity view: we construct a story of our lives that ties our past, present, and future together. This captures the idea that identity is partly created by the stories we tell about ourselves.
另一种视角是叙事同一性观点：我们构建一个将我们的过去、现在和未来联系在一起的人生故事。这捕捉到同一性部分是由我们讲述的关于自己的故事所创造的这个观念。
Published by TutorHao | Philosophy Revision Series | aleveler.com
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