Year 12 Cambridge Philosophy: Core Knowledge Summary | 剑桥AS哲学核心知识点梳理

📚 Year 12 Cambridge Philosophy: Core Knowledge Summary | 剑桥AS哲学核心知识点梳理

Welcome to this comprehensive revision guide covering the core topics of the Cambridge AS Level Philosophy syllabus (9694). In Year 12, students explore fundamental questions about knowledge, personhood, mind, God, art, law, and key arguments in ethics and the philosophy of religion. This article distils essential concepts, arguments, and counter-arguments to help you master your exam content.

欢迎阅读本综合复习指南，涵盖剑桥AS Level哲学大纲（9694）的核心主题。在12年级，学生探究关于知识、人格、心灵、上帝、艺术、法律的基本问题，以及伦理学与宗教哲学中的关键论证。本文提炼了必备概念、论证与反驳，助你掌握考试内容。

1. Epistemology: What Can We Know? | 认识论：我们能知道什么？

Epistemology examines the nature, scope, and limits of knowledge. The traditional tripartite definition, traceable to Plato, holds that knowledge is justified true belief (JTB): S knows that P if and only if P is true, S believes that P, and S is justified in believing that P.

认识论研究知识的本性、范围与限度。传统三元定义可追溯至柏拉图，认为知识即被证成的真信念（JTB）：S知道P当且仅当P为真、S相信P且S有证成地相信P。

However, Edmund Gettier’s 1963 counterexamples challenged the sufficiency of JTB. In his scenarios, an agent has a justified true belief based on faulty reasoning or luck, yet intuitively lacks knowledge. For instance, Smith sees ten coins in Jones’s pocket and concludes ‘the man who will get the job has ten coins’; unbeknownst to Smith, he himself gets the job and coincidentally has ten coins. This sparked debates on whether a fourth condition (e.g., no false lemmas) is needed.

然而，埃德蒙·盖提尔1963年的反面例子挑战了JTB的充分性。在其情境中，行动者基于错误推理或运气拥有被证成的真信念，但直觉上却缺乏知识。例如，史密斯看到琼斯口袋有十个硬币，得出结论“获得工作的人有十个硬币”；史密斯未察觉自己得到了工作且恰巧也有十个硬币。这引发了是否需第四条件（如无假前提）的辩论。

Regarding the source of knowledge, rationalists (e.g., Descartes, Leibniz) argue that reason alone can yield certain knowledge, often appealing to innate ideas. Empiricists (Locke, Hume) maintain that all knowledge originates from sense experience; the mind begins as a tabula rasa. Both positions face challenges: rationalists must explain how a priori reasoning applies to the world, while empiricists must account for abstract concepts like mathematics.

关于知识来源，理性主义者（笛卡尔、莱布尼茨）主张单凭理性即可产生确定知识，常诉诸天赋观念。经验主义者（洛克、休谟）则认为一切知识源于感官经验；心灵初始为白板。两种立场都面临挑战：理性主义者须解释先天推理如何适用于世界，经验主义者则须说明数学等抽象概念。

Global scepticism, exemplified by Descartes’ evil demon hypothesis, questions whether any of our beliefs can be justified. Descartes employs methodological doubt to seek an indubitable foundation (the cogito). Contemporary responses include foundationalism, coherentism, and reliabilism; each attempts to show that some or all of our beliefs remain justified despite sceptical threats.

全局怀疑论，以笛卡尔的邪恶魔鬼假设为代表，质疑我们是否有任何信念能被证成。笛卡尔运用方法怀疑寻求不可怀疑的基础（我思）。当代回应包括基础主义、融贯论和可靠论；它们各自试图表明尽管有怀疑论威胁，某些或所有信念仍可得到证成。

2. Persons and Personal Identity | 人格与人格同一性

Personal identity concerns what it is to be a ‘person’ across time. The bodily continuity criterion claims that persistence is grounded in the physical continuity of the organism. If your body survives, you survive. Thought experiments involving body swaps or fission challenge this view: if your brain is transplanted into a new body, many would judge that the person survives with the brain, not the original body.

人格同一性关注的是随时间推移成为“人格”的是何物。身体连续性标准主张，同一性立足于有机体的物理连续性。如果你的身体存活，你就存活。涉及身体互换或分裂的思想实验挑战了这一观点：如果你的大脑移植到新身体，许多人会断定这个人随大脑而非原身体存活。

John Locke proposed that personal identity consists in psychological continuity, primarily memory. For Locke, if you remember a past thought or action, you are the same person who had that thought. However, Thomas Reid objected that identity must be transitive, but memory is not always transitive (the ‘brave officer’ paradox). Moreover, cases of amnesia or total memory loss raise questions: does the person cease to exist? Modern psychological theories incorporate direct psychological connections, not just memory.

约翰·洛克提出，人格同一性在于心理连续性，主要是记忆。对洛克而言，如果你记得过去的想法或行为，你就是拥有那个想法的同一个人。然而，托马斯·里德反驳说同一性必须是可传递的，但记忆并非总可传递（“勇敢军官”悖论）。此外，失忆症或完全记忆丧失的情况引发问题：这个人是否停止存在？现代心理理论包含了直接的心理联系，而不仅仅是记忆。

The soul theory identifies the person with an immaterial substance. This view, associated with Descartes and many religious traditions, avoids bodily and psychological puzzles but faces acute epistemic and metaphysical difficulties: how can we individuate souls, and how can a soul interact with a changing brain? Given the diversity of theories, the AS course expects you to evaluate the strengths and weaknesses of each approach.

灵魂理论将人格等同为一种非物质实体。这一观点与笛卡尔及许多宗教传统相关，它避开了身体与心理难题，却面临尖锐的认识论和形而上学困难：我们如何个体化灵魂？灵魂又如何与变化的大脑互动？鉴于理论的多样性，AS课程要求你评估每种进路的优势与弱点。

3. Mind and Body | 心灵与身体

The mind–body problem explores the relation between mental states (beliefs, pains) and physical states (brain processes). Descartes’ substance dualism asserts that mind and body are two distinct substances: mind is non-extended and thinking, body is extended and non-thinking. The main challenge is the interaction problem: if the two substances are entirely different, how can they causally affect each other? Princess Elisabeth of Bohemia famously raised this objection.

心身问题探究的是心理状态（信念、疼痛）与物理状态（大脑过程）之间的关系。笛卡尔的实体二元论断言心灵与身体是两种不同的实体：心灵是不具有广延性但会思考的，身体则具有广

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