📚 Year 12 AQA Philosophy: Core Knowledge Points Reviewed | AQA 哲学 Year 12 核心知识点梳理
The Year 12 AQA Philosophy course lays the foundation for A-level study by exploring two central branches: epistemology (the theory of knowledge) and moral philosophy. This article reviews the essential concepts, arguments and thinkers you need to master for the exam, from the tripartite definition of knowledge to the three major ethical theories. Each point is explained in both English and Chinese to reinforce your understanding.
AQA 哲学 Year 12 课程为 A-level 学习打下基础，探讨两个核心领域：认识论（关于知识的理论）和道德哲学。本文梳理了考试中必须掌握的核心概念、论证和思想家，从知识的三元定义到三大伦理学理论。每个要点均以中英双语解释，以加深理解。
1. What is Knowledge? The Tripartite View | 知识的三元定义
From Plato’s Theaetetus, knowledge is traditionally defined as justified true belief (JTB). For any proposition p, a subject S knows that p if and only if p is true, S believes that p, and S is justified in believing that p.
从柏拉图的《泰阿泰德篇》开始，知识传统上被定义为得到辩护的真信念（JTB）。对于任意命题 p，主体 S 知道 p 当且仅当 p 为真、S 相信 p，并且 S 对于相信 p 是有辩护的。
This analysis requires all three conditions simultaneously. Without truth, it is merely a mistaken belief; without belief, you cannot claim knowledge; without justification, it is no more than a lucky guess. Critics later questioned whether these conditions are sufficient.
这个分析要求三个条件同时满足。缺少真，只是错误信念；缺少信念，就不能宣称知识；缺少辩护，那不过是侥幸猜中。后来的批评者质疑这些条件是否充分。
2. Gettier Problems | 盖梯尔问题
In 1963, Edmund Gettier published two counterexamples showing that JTB is not sufficient for knowledge. In the first case, Smith has strong evidence that Jones will get the job and believes Jones owns a Ford. From that he deduces ‘The man who will get the job owns a Ford.’ Unbeknownst to Smith, he himself gets the job and, by chance, he also owns a Ford. Smith’s belief is justified, true, but intuitively not knowledge because it depends on a false lemma.
1963 年，埃德蒙·盖梯尔发表两个反例，表明 JTB 对于知识来说是不充分的。在第一个案例中，史密斯有充分证据认为琼斯会得到工作，并相信琼斯拥有一辆福特车。他由此推论：“将会得到工作的人拥有一辆福特车。” 史密斯不知道的是，他自己最终得到了工作，而且碰巧他也拥有一辆福特车。史密斯的信念是有辩护的、真实的，但直觉上并不是知识，因为它依赖于一个错误的前提。
The second case involves someone who sees a clock that happens to have stopped at the correct time 24 hours earlier. The belief formed is justified and true, but not knowledge. These problems spurred attempts to amend JTB, such as adding a no-false-lemma condition or replacing justification with a different connection to truth.
第二个案例涉及某人看到一座时钟，该时钟恰好在 24 小时前停在了正确时间。由此形成的信念是有辩护且真实的，但不是知识。这些反例促使人们试图修正 JTB，例如添加“无错误前提”条件，或用其他与真的联结来取代辩护。
3. Reliabilism as a Response | 可靠主义：一种回应
Reliabilism, advanced by Alvin Goldman, claims that what matters is whether the belief was produced by a reliable cognitive process. A process is reliable if it tends to yield true beliefs. For example, perception under normal conditions is reliable; wishful thinking is not. On this view, S knows that p if p is true, S believes that p, and S’s belief was caused by a reliable method.
由阿尔文·戈德曼提出的可靠主义主张，关键在信念是否由一个可靠的认知过程所产生。一个过程如果能倾向于产生真信念，就是可靠的。例如，正常条件下的知觉是可靠的；一厢情愿的思维则不然。根据这一观点，S 知道 p 当且仅当 p 为真、S 相信 p，且 S 的信念是由可靠的方法引起的。
This neatly handles Gettier cases because the false lemma undermines reliability. However, reliabilism faces the ‘new evil demon’ problem: a brain in a vat fed deceptive experiences seems to have justified beliefs, yet its processes are unreliable. Reliabilism then denies knowledge where intuition says there is justification.
这巧妙地处理了盖梯尔案例，因为错误前提破坏了可靠性。然而，可靠主义面临“新恶魔”难题：缸中之脑被输入欺骗性经验，似乎拥有得到辩护的信念，但其认知过程并不可靠。可靠主义于是在直觉认为存在辩护的地方否定了知识。
4. Virtue Epistemology | 美德认识论
Virtue epistemology, associated with Ernest Sosa and Linda Zagzebski, shifts focus to the knower’s intellectual character. Knowledge is true belief that results from the exercise of intellectual virtues, such as careful observation, open-mindedness, and good reasoning. A belief is apt when its being true is creditable to the agent’s competence.
美德认识论，以厄内斯特·索萨和琳达·扎格泽博斯基为代表，将焦点转向认知者的理智品格。知识是源于理智德性运作的真信念，这些德性包括细心观察、思想开放和良好的推理。当一个信念为真并且可归功于主体的认知能力时，它就是适切的。
This approach also addresses Gettier: in the clock case, the truth of the belief is not due to the agent’s ability but to luck, so it is not knowledge. Virtue epistemology is often combined with a broader focus on epistemic responsibility, ensuring that the knower is not merely a passive recorder but an active agent in pursuit of truth.
这一进路也回应了盖梯尔：在时钟案例中，信念之真并非源于主体的能力，而是运气，故不是知识。美德认识论常常结合对认知责任的更广泛关注，确保认知者不仅是被动的记录者，而是追求真理的能动者。
5. Direct Realism | 直接实在论
In the philosophy of perception, direct realism holds that we perceive physical objects directly, without any intermediaries. When you see a tree, you are immediately aware of the tree itself, which exists mind-independently. This common-sense view is supported by the immediacy of perceptual experience.
在知觉哲学中，直接实在论认为我们直接感知物理对象，没有任何中介。当你看到一棵树时，你直接意识到树本身，它独立于心灵而存在。这一常识观点得到了知觉经验直接性的支持。
However, direct realism is challenged by illusions (a straight stick looks bent in water), hallucinations (seeing something that is not there), and perceptual variation (the same object looks different under different lighting). Critics say these phenomena show we are not aware of objects directly; we must be aware of some mental representation.
然而，直接实在论受到幻觉（直棍在水中看起来是弯的）、幻视（看到并不存在的东西）和知觉变化（同一对象在不同光线下看起来不同）的挑战。批评者认为，这些现象表明我们并非直接意识到对象；我们必须意识到某种心理表征。
6. Indirect Realism | 间接实在论
Indirect realism, most famously defended by John Locke, claims we perceive mind-dependent sense-data (or ideas), which represent mind-independent physical objects. The physical object causes sense-data in our minds, and these are what we are directly aware of. Locke distinguished primary qualities (shape, size, motion) that resemble the object, from secondary qualities (colour, taste, smell) that are powers to produce sensations in us.
约翰·洛克最为著名地辩护间接实在论，主张我们感知的是依赖于心灵的感觉材料（或观念），它们代表了独立于心灵的物理对象。物理对象在我们心中引起感觉材料，而这些正是我们直接意识到的东西。洛克区分了第一性质（形状、大小、运动），它们与对象相似；以及第二性质（颜色、味道、气味），它们是在我们心中产生感觉的能力。
The major problem for indirect realism is the ‘veil of perception’: if we only ever perceive sense-data, how can we know that physical objects exist and that our sense-data resemble them? This leads to scepticism about the external world. George Berkeley would later push this reasoning toward idealism.
间接实在论的主要难题是“知觉之幕”：如果我们永远只感知感觉材料，我们如何知道物理对象存在，以及我们的感觉材料与它们相似？这导致对外部世界的怀疑。乔治·贝克莱后来将这一推理推向观念论。
7. Berkeley’s Idealism | 贝克莱的观念论
Berkeley rejected the existence of mind-independent matter entirely. His principle esse est percipi (to be is to be perceived) asserts that physical objects are collections of ideas, and they exist only insofar as they are perceived by a mind. The table in your room exists because it is perceived by you, or, to explain its continued existence when no human is looking, by God.
贝克莱完全拒斥独立于心灵的物质的存在。他的原则“存在即被感知”（esse est percipi）主张，物理对象无非是观念的集合，它们只有被心灵感知时才存在。你房间里的桌子存在，是因为被你感知；为了解释无人观看时它的持续存在，则需诉诸上帝的感知。
Berkeley argues that we cannot conceive of a mind-independent object because the very act of conception occurs in a mind. He also uses the argument from perceptual relativity to dissolve the primary/secondary quality distinction, claiming all qualities are mind-dependent. Idealism thus avoids scepticism by redefining reality, but it faces the challenge of explaining consistent order without material substance.
贝克莱论证说，我们无法设想一个独立于心外的对象，因为设想的动作本身就发生在心灵中。他还运用知觉相对性论证消解了第一/二性质的区分，主张所有性质都依赖于心灵。观念论因此通过重定义现实避开了怀疑论，但面临解释没有物质实体时世界仍稳定有序的挑战。
8. Metaethics: Realism vs Anti-Realism | 元伦理学：实在论与反实在论
Moral realism holds that moral properties exist mind-independently and moral judgements can be true or false. Cognitivism in metaethics maintains that moral statements express beliefs that are truth-apt. Ethical naturalists (e.g., utilitarians) argue moral facts are natural facts (e.g., about pleasure), while intuitionists like G.E. Moore claim we grasp non-natural moral properties through intuition.
道德实在论认为，道德属性独立于心灵存在，道德判断可以有真有假。元伦理学中的认知主义主张，道德陈述表达的是可以有真值的信念。伦理自然主义者（如功利主义者）认为道德事实就是自然事实（例如关于快乐的事实），而像 G.E. 摩尔这样的直觉主义者则声称我们通过直觉把握非自然的道德属性。
Moral anti-realism denies such mind-independent moral facts. Emotivism (A.J. Ayer) says moral statements merely express emotions (‘Boo!’ or ‘Hurrah!’) and are not truth-apt. Prescriptivism (R.M. Hare) claims they are universalised commands: ‘Killing is wrong’ means ‘Do not kill!’. Both are forms of non-cognitivism, rejecting that moral language functions to describe reality.
道德反实在论则否认存在这种独立于心灵的道德事实。情感主义（A.J. 艾耶尔）认为，道德陈述只是表达情绪（“嘘!”或“好耶!”），并非真值可判断。规定主义（R.M. 黑尔）主张它们是普遍化的命令：“杀人是错的”意思是“不要杀人！”。二者都是非认知主义，拒绝道德语言具有描述现实的功能。
9. Utilitarianism | 功利主义
Utilitarianism is a consequentialist ethical theory: the right action is the one that maximises utility, usually defined as happiness or pleasure. Jeremy Bentham’s hedonic calculus measures pleasure by seven factors: intensity, duration, certainty, propinquity, fecundity, purity, and extent. He famously claimed that, quantity of pleasure being equal, pushpin is as good as poetry.
功利主义是一种后果论伦理理论：正确的行为就是最大化效用的行为，效用通常被定义为幸福或快乐。杰里米·边沁的快乐计算用七个因子衡量快乐：强度、持续时间、确定性、临近性、丰富性、纯度和范围。他有一句名言：在快乐量相等的前提下，图钉游戏与诗歌一样好。
John Stuart Mill refined utilitarianism by introducing the distinction between higher and lower pleasures. Intellectual and moral pleasures are qualitatively superior to mere bodily pleasures. Mill argued ‘It is better to be a human being dissatisfied than a pig satisfied.’ Rule utilitarianism (act according to rules that generally maximise happiness) responds to objections that act utilitarianism permits unjust actions.
约翰·斯图尔特·密尔通过引入高等与低等快乐的区别改进了功利主义。理智与道德快乐在质上优于纯粹的身体快乐。密尔称：“做一个不满足的人，胜于做一只满足的猪。”规则功利主义（依照通常能最大化幸福的规则行事）回应了对行动功利主义会允许不义行为的批评。
10. Kantian Deontology | 康德义务论
Immanuel Kant’s deontological ethics is based on duty, not consequences. The moral worth of an action depends on its being done from a good will, in accordance with the categorical imperative. The first formulation of the categorical imperative is: ‘Act only on that maxim through which you can at the same time will that it should become a universal law.’
伊曼努尔·康德的义务论伦理学以义务为本，而非后果。一个行为的道德价值取决于它是出于善良意志、并按照定言命令去做的。定言命令的第一个表述是：“要只按照你同时能够愿意它成为一条普遍法则的那个准则去行动。”
The second formulation commands us to ‘Act in such a way that you treat humanity, whether in your own person or in another, always as an end and never merely as a means.’ This captures the idea of respect for persons. Kant then identifies perfect duties (e.g., do not lie) that admit no exception, and imperfect duties (e.g., develop your talents) that allow latitude.
第二个表述命令我们：“你要这样行动，永远都把你人格中的人性以及他人人格中的人性同时用作目的，而绝不只是用作手段。”这体现了尊重人的观念。康德由此区分了不允许任何例外的完全义务（如不说谎）和允许有灵活度的不完全义务（如发展个人才能）。
11. Aristotle’s Virtue Ethics | 亚里士多德美德伦理学
Aristotle’s ethics focuses on character rather than duty or consequences. The ultimate good for humans is eudaimonia, often translated as flourishing or living well. Through his function argument, Aristotle claims that the human function is rational activity in accordance with virtue; a good human lives a life of rational virtuous activity.
亚里士多德的伦理学说关注品格，而非义务或后果。人类的终极善是 eudaimonia，常译为繁荣或生活得好。通过功能论证，亚里士多德声称人的特有功能是符合德性的理性活动；一个善的人过的就是一种理性德性活动的生活。
Virtues are stable dispositions to choose the mean between extremes of excess and deficiency, relative to the situation. Courage, for instance, is the mean between rashness and cowardice. Practical wisdom (phronesis) enables the agent to perceive the right mean. Aristotle’s list includes moral virtues (justice, temperance) and intellectual virtues (wisdom, understanding).
德性是选择相对于情境的过度与不及之间的中道的稳定倾向。例如，勇敢是鲁莽与怯懦之间的中道。实践智慧（phronesis）使行动者能够觉察到恰当的中道。亚里士多德的德目包括道德德性（正义、节制）和理智德性（智慧、理解）。
12. Applied Ethics: Core Issues | 应用伦理学核心议题
In the moral philosophy exam, you may be asked to apply theories to practical issues such as lying, stealing, or eating animals. A utilitarian would assess whether telling a lie or stealing a loaf maximises overall happiness; an act-utilitarian might permit a lie to save a life, while a rule-utilitarian would stress the long-term damage of undermining truth-telling norms.
在道德哲学考试中，你可能需要将理论应用于实际问题，例如撒谎、盗窃或吃动物。一个功利主义者会评估说谎或偷面包是否能最大化总体幸福；行动功利主义可能允许为救人而撒谎，而规则功利主义则会强调破坏诚实规范的长期危害。
Kantian ethics forbids lying absolutely because if everyone lied, trust would collapse, making the maxim of lying self-defeating. Similarly, stealing treats the property owner merely as a means. Virtue ethics asks what a virtuous person would do: would honesty or compassion be the most relevant virtue in a given dilemma? Each theory reveals different dimensions of practical moral reasoning.
康德伦理学绝对禁止说谎，因为若人人说谎，信任会崩塌，说谎的准则将自我挫败。同样，盗窃意味着将财产拥有者仅仅当作手段。美德伦理学则追问有德之人会怎么做：在特定道德困境中，诚实还是同情才是最相关的德性？每一种理论揭示了实践道德推理的不同维度。
Published by TutorHao | Philosophy Revision Series | aleveler.com
更多咨询请联系16621398022（同微信）
屏轩国际教育cambridge primary/secondary checkpoint, cat4, ukiset,ukcat,igcse,alevel,PAT,STEP,MAT, ibdp,ap,ssat,sat,sat2课程辅导，国外大学本科硕士研究生博士课程论文辅导Cancel reply