📚 IGCSE CAIE Law: Core Knowledge Points Revision | IGCSE CAIE 法律：核心知识点梳理
This article summarises the core knowledge points for the Cambridge IGCSE Law syllabus, covering key areas such as sources of law, criminal law, tort law and contract law. Each section pairs English explanations with Chinese translations to help you revise efficiently.
本文汇总剑桥 IGCSE 法律课程的核心知识点，涵盖法律渊源、刑法、侵权法和合同法等重点领域。每个部分均以中英对照的方式呈现，帮助你高效复习。
1. The Nature and Sources of Law | 法律的性质与渊源
Law is a set of rules created by the state to regulate behaviour, backed by sanctions. Legal rules are enforceable through courts, whereas moral rules rely on social pressure.
法律是由国家制定并靠制裁保障实施的一套规则。法律规则可通过法院强制执行，而道德规则依赖社会压力。
Key sources of English law include legislation, common law, historically EU law, and human rights law. Parliamentary sovereignty means Parliament can make or unmake any law.
英国法律的主要渊源包括立法、普通法、历史上的欧盟法以及人权法。议会主权意味着议会可以制定或废除任何法律。
Delegated legislation is law made by other bodies under Parliament's authority, such as statutory instruments and by-laws. It allows technical detail to be handled quickly.
授权立法是由其他机构根据议会授权制定的法律，例如行政规章和地方法规。它能快速处理技术细节。
2. Common Law and Equity | 普通法与衡平法
Common law developed from custom and judge-made decisions after the Norman Conquest. It operates through the doctrine of precedent, where similar cases are decided similarly.
普通法起源于诺曼征服后的习惯和法官判决。它依据先例原则运作，相似案件应作相似判决。
Equity developed to provide fairness when the common law was too rigid. Equitable remedies include injunctions, specific performance and rescission, and are discretionary.
衡平法在普通法过于僵硬时提供公平。衡平救济包括禁制令、强制履行和撤销合同，且属法院酌情裁量。
The Judicature Acts 1873-75 fused the administration of common law and equity. If there is a conflict between common law and equity, equity prevails.
1873-75 年《司法组织法》合并了普通法与衡平法的执行。如果普通法与衡平法冲突，衡平法优先。
3. Doctrine of Precedent | 先例原则
Stare decisis means 'stand by what has been decided'. A court is generally bound by decisions of higher courts in the same hierarchy.
遵循先例意味着'遵照已决之事'。同一法院体系中，法院通常受上级法院判决的约束。
Ratio decidendi is the legal reason for the decision and is binding on lower courts. Obiter dicta are comments made in passing and are merely persuasive.
判决理由是作出判决的法律理据，对下级法院具有约束力。附带意见是顺带发表的评论，仅具说服力。
The Supreme Court binds the Court of Appeal and below. The Supreme Court can depart from its own previous decisions using the Practice Statement 1966 when it appears right to do so.
最高法院约束上诉法院及其以下法院。最高法院可在认为恰当的情况下，依据 1966 年《实务声明》偏离自身先例。
4. Statutory Interpretation | 法律解释
Judges use four main approaches to interpret statutes: the literal rule, golden rule, mischief rule and purposive approach.
法官解释成文法主要有四种方法：字面规则、黄金规则、弊端规则和目的解释法。
The literal rule gives words their ordinary dictionary meaning. The golden rule allows a judge to depart from the literal meaning to avoid an absurd outcome.
字面规则按词语的普通字典含义解释。黄金规则允许法官为避免荒谬结果而偏离字面含义。
The mischief rule examines the defect in the old law that the statute intended to fix. The purposive approach asks what overall purpose Parliament intended the statute to achieve.
弊端规则审视该法意在弥补的旧法缺陷。目的解释法探询议会制定该法所希望实现的整体目的。
5. Criminal Law and Civil Law | 刑法与民法
Criminal law deals with conduct harmful to society and is prosecuted by the state. The prosecution must prove the defendant's guilt beyond reasonable doubt.
刑法处理危害社会的行为并由国家起诉。控方必须排除合理怀疑地证明被告有罪。
Civil law resolves disputes between individuals or organisations. The claimant must prove their case on the balance of probabilities.
民法解决个人或组织之间的纠纷。原告须以盖然性权衡标准证明其主张。
Criminal outcomes include imprisonment, fines or community sentences. Civil outcomes include damages, injunctions or declarations.
刑事后果包括监禁、罚款或社区刑罚。民事后果包括损害赔偿、禁制令或宣示性判决。
6. Elements of a Crime: Actus Reus and Mens Rea | 犯罪要件：犯罪行为与犯罪意图
Actus reus is the guilty act, which can be an act, an omission or a state of affairs. An omission is criminal only if the defendant owed a legal duty to act.
犯罪行为是犯罪行为要素，可以是作为、不作为或状态。只有在被告负有法定作为义务时，不作为才构成犯罪。
Mens rea is the guilty mind. The main forms are intention, recklessness, negligence and knowledge. Intention may be direct or oblique.
犯罪意图是犯罪心理要素。主要形式包括故意、轻率、过失和明知。故意可以是直接或间接。
For most crimes, actus reus and mens rea must coincide in time. Murder requires the mens rea of intention to kill or cause serious harm.
大多数犯罪要求犯罪行为与犯罪意图在时间上同时存在。例如谋杀要求具有杀人或致人重伤的故意。
7. Non-fatal Offences Against the Person | 非致命人身犯罪
Assault means causing a person to apprehend immediate unlawful force. Battery means the actual infliction of unlawful force.
胁迫伤害是使他人担心即将遭受非法暴力。殴打是实际施加非法暴力。
Section 20 of the Offences Against the Person Act 1861 covers malicious wounding or inflicting grievous bodily harm. Section 18 requires intent to cause GBH or resist arrest.
1861 年《人身犯罪法》第 20 条涉及恶意伤害或造成重伤。第 18 条要求具有造成重伤或抗拒逮捕的故意。
Defences to non-fatal offences include consent, self-defence and lawful chastisement in some circumstances.
非致命犯罪的抗辩包括同意、正当防卫和特定情况下的合法管教。
8. General Defences | 一般抗辩
Self-defence allows a person to use reasonable force to protect themselves or another, or to prevent crime. The force must be necessary and proportionate.
正当防卫允许使用合理武力保护自己或他人，或阻止犯罪。武力必须是必要且相称的。
Duress is a defence to many crimes except murder and attempted murder. The defendant must have acted due to a threat of death or serious harm.
胁迫抗辩适用于许多犯罪，但不包括谋杀和谋杀未遂。被告必须因死亡或严重伤害的威胁而行事。
Intoxication can be voluntary or involuntary. Voluntary intoxication is usually not a defence to crimes of basic intent, such as assault or manslaughter.
醉酒可分为自愿和非自愿。自愿醉酒通常不能作为基本意图犯罪的抗辩，例如袭击或过失杀人。
9. Tort Law and Negligence | 侵权法与过失
Tort law provides civil remedies for harm caused by one person to another. Negligence is the most common tort in the IGCSE Law syllabus.
侵权法为一人对他人造成的损害提供民事救济。过失是 IGCSE 法律课程中最常见的侵权行为。
To succeed in negligence, the claimant must prove that the defendant owed a duty of care, breached that duty, and caused damage.
要成功主张过失，原告必须证明被告负有关注义务、违反了该义务并造成了损害。
Duty of care is based on the neighbour principle from Donoghue v Stevenson. Breach is judged by the standard of the reasonable person.
关注义务依据 Donoghue v Stevenson 案中的邻人原则确立。是否违反义务以正常理性人的标准判断。
The main remedy in negligence is damages, which aim to put the claimant back in the position they would have been in but for the harm.
过失侵权的主要救济是损害赔偿，旨在使原告恢复到若无损害本应处于的状态。
10. Contract Law: Formation | 合同法：合同的成立
A valid contract requires offer, acceptance, consideration and intention to create legal relations.
有效合同需要要约、承诺、对价和建立法律关系的意图。
An offer is a definite promise to be bound on specific terms. An invitation to treat is merely an invitation to negotiate, as in Fisher v Bell.
要约是在特定条款下受约束的明确承诺。要约邀请只是谈判邀请，例如 Fisher v Bell 案。
Acceptance must be unconditional and communicated to the offeror. Under the postal rule, acceptance takes effect when posted, not when received.
承诺必须是无条件的并传达给要约人。根据邮政规则，承诺在投邮时生效，而非到达时。
Consideration is something of value exchanged between the parties. It must be sufficient but need not be adequate in the eyes of the law.
对价是当事人之间交换的有价值之物。它必须充足，但不必在法律上等价。
11. Contract Law: Terms and Remedies | 合同法：条款与救济
Contract terms may be conditions or warranties. Breach of a condition allows termination and damages; breach of a warranty allows damages only.
合同条款可分为条件条款和保证条款。违反条件条款可解除合同并索赔；违反保证条款只能索赔。
Exclusion clauses attempt to limit or exclude liability. Under the Unfair Contract Terms Act 1977, many exclusion clauses must satisfy a test of reasonableness.
免责条款试图限制或免除责任。根据 1977 年《不公平合同条款法》，许多免责条款须符合合理性检验。
Remedies for breach of contract include damages, specific performance, rescission and injunctions.
违约救济包括损害赔偿、强制履行、撤销合同和禁制令。
12. Court System and Hierarchy | 法院体系与等级
The court hierarchy includes the Supreme Court, Court of Appeal, High Court, Crown Court, Magistrates' Court and County Court. Higher courts bind lower courts.
法院体系包括最高法院、上诉法院、高等法院、刑事
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