A-Level CAIE Philosophy: Core Knowledge Points Revision | A-Level CAIE 哲学：核心知识点梳理

📚 A-Level CAIE Philosophy: Core Knowledge Points Revision | A-Level CAIE 哲学：核心知识点梳理

This revision guide summarises the core knowledge points examined across CAIE A-Level Philosophy. It covers epistemology, metaphysics, ethics and philosophy of religion, with emphasis on the arguments, distinctions and evaluation skills you need in Paper 1 and Paper 2.

本复习指南梳理 CAIE A-Level 哲学考试的核心知识点，涵盖认识论、形而上学、伦理学与宗教哲学，重点讲解论证、关键区分以及 Paper 1 和 Paper 2 所需的评估技能。

1. The Nature of Philosophy | 哲学的本质

Philosophy is the activity of analysing concepts, constructing arguments and evaluating rival positions rather than simply collecting facts. In CAIE questions, you must show awareness of what makes a claim philosophical: it concerns fundamental questions about existence, knowledge, value and meaning, and it proceeds by reasoned argument rather than empirical measurement alone.

哲学是一种分析概念、构建论证并评估对立立场的活动，而不仅仅是收集事实。在 CAIE 考题中，你需要说明是什么使一个主张成为哲学问题：它涉及存在、知识、价值与意义等根本问题，并且依靠理性论证而非单纯经验测量来推进。

A basic philosophical skill is identifying premises and conclusions, and distinguishing deductive from inductive reasoning. Deductive arguments aim for certainty, while inductive arguments aim for probability. You also need to recognise validity, soundness, circularity, ambiguity and counterexamples.

哲学基本技能包括识别前提与结论，并区分演绎推理与归纳推理。演绎论证追求确定性，归纳论证追求概率性。你还需要辨识有效性、可靠性、循环论证、歧义和反例。

2. Epistemology: Knowledge and Justification | 认识论：知识与辩护

The traditional definition of knowledge is justified true belief (JTB). A person S knows that P if and only if P is true, S believes that P, and S has justification for believing P. This tripartite definition is often the starting point for exam questions on the nature of knowledge.

知识的传统定义是“得到辩护的真信念”（JTB）。某人 S 知道命题 P，当且仅当 P 为真、S 相信 P，并且 S 有理由支持该信念。这一定义常是知识本质考题的起点。

Gettier cases challenge the JTB definition by showing that a person can have a justified true belief that is only accidentally true. For example, Smith may have strong evidence that Jones owns a Ford, and from this infer the true disjunction ‘Jones owns a Ford or Brown is in Barcelona’ even though the first part is false but the second is true by luck. Evaluation questions ask whether the JTB definition can be repaired by adding a ‘no false lemmas’ condition or a causal condition.

盖梯尔反例挑战 JTB 定义，表明一个人可以拥有一个只是偶然为真的得到辩护的真信念。例如，史密斯有充分证据相信琼斯拥有一辆福特车，并由此推出真实命题“琼斯拥有福特车或布朗在巴塞罗那”，尽管前半部分为假、后半部分只是碰巧为真。评估题会问 JTB 定义是否可以通过增加“无虚假引理”条件或因果条件来修复。

Other relevant distinctions include knowledge by acquaintance vs knowledge by description, and a priori vs a posteriori knowledge. A priori knowledge is known independently of experience, such as ‘all bachelors are unmarried’, while a posteriori knowledge depends on experience, such as ‘water

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