Irish Legal System: Classification of Law and Constitutional Law Key Terms

Comprehensive vocabulary flashcards covering the classification of laws (criminal vs. civil, substantive vs. procedural, public vs. private, common law vs. equity) and foundational Irish constitutional law principles, key cases, and doctrines.

Criminal Law

The branch of law that defines conduct prohibited by the State by creating offences punishable by sanctions—such as fines, imprisonment, community service, or binding to the peace—in order to protect society, deter crime, and punish wrongdoers.

Mens Rea

The 'guilty mind' or deliberate intention of the accused, which is required to secure a conviction in most criminal cases.

Summary Offences

Minor criminal offences prosecuted by the State in the District Court, heard by a single judge without a jury, typically carrying a maximum sentence of 12 months' imprisonment.

Indictable Offences

Serious criminal offences prosecuted by the Director of Public Prosecutions (DPP) on behalf of the Irish people, tried before a judge and a jury of 12 people (except in the Special Criminal Court, which is tried by three judges).

Presumption of Innocence

The legal principle in criminal cases dictating that an accused person is presumed innocent until the prosecution proves otherwise, placing the burden of proof entirely on the State/DPP.

Beyond a Reasonable Doubt

The standard of proof required in criminal cases, meaning that if a real doubt exists based on reason and common sense after careful and impartial consideration of all evidence, the accused cannot be convicted.

Civil Law

The branch of law that regulates relations and resolves disputes between private individuals or entities, allowing an injured party who has suffered loss to seek compensation or enforce rights and obligations.

Locus Standi

The requirement that a plaintiff must have 'standing'—a legitimate interest in the outcome of a case demonstrating sufficient connection to and harm from the law or action challenged—in order to initiate a civil action.

Balance of Probability

The standard of proof applied in civil cases, commonly described in judicial rulings as 'more likely than not.'

Substantive Law

The body of law classified as primary rules that confers rights, powers, duties, obligations, or liabilities, including subjects such as criminal law, tort law, contract law, and land law.

Procedural Law

The body of law classified as secondary rules that governs the processes and machinery by which primary rules are enforced, consisting in Ireland of civil procedure, criminal procedure, and the law of evidence.

Primary Rules

Under HLA Hart's classification in The Concept of Law (1961), the rules that govern conduct by setting out rights, duties, and obligations.

Secondary Rules

Under HLA Hart's classification in The Concept of Law (1961), procedural rules determining how primary rules are to be recognised, interpreted, applied, and enforced.

Public Law

Substantive law applying to the State and State agencies or concerning the public good and public interest, typically involving disputes between the State and individuals (e.g., criminal law, constitutional law, and administrative law).

Private Law

Substantive law governing disputes between citizens or private entities where there is no significant public interest, traditionally centered on the law of torts, contract law, and land law.

Equity

A historical division of law meaning fairness, created to deliver justice and grant discretionary remedies (such as injunctions or rectification) when the common law provided no remedy or led to an injustice.

Supreme Court of Judicature Act 1877

The statute that formally merged the distinct jurisdictions of common law and equity, establishing that equity prevails whenever a conflict arises between the two.

Canon Law

The internal legal system of the Catholic Church, which exists separately from State law and possesses no legal force within the State.

Jurisprudence

The study of the philosophy and theory of law, sometimes designated as legal science.

Ryan v Attorney General

The constitutional case challenging the fluoridation of public water supplies in which Mr. Justice Kenny established that 'personal rights' under Article 40.3.1 are not confined to those expressly specified in the Constitution.

Unenumerated Rights

Constitutional rights not explicitly written in the text of the Constitution but implied and identified by the judiciary under Article 40.3.1.

Right to Bodily Integrity

The first implied or unenumerated constitutional right recognised by the Irish courts, established in Ryan v Attorney General.

Crotty v Attorney General

A constitutional challenge brought by Raymond Crotty in which the Supreme Court ruled (3 v 2) that the executive could not ratify Title III of the Single European Act without a constitutional amendment, affirming judicial authority to restrict foreign policy decisions that conflict with the Constitution.

Single European Act (SEA)

A 1986 international treaty designed to streamline the European Economic Community (EEC) and institute a common foreign policy, leading to an Irish constitutional amendment in 1987 following the Crotty ruling.

Employment Equality Bill 1996

A legislative measure with the stated long title: 'an Act to make further provision for the promotion of equality between employed persons; to make further provision with respect to discrimination in, and in connection with, employment, vocational training and membership of certain bodies.'

McGee v Attorney General (1974)

The Supreme Court decision invalidating the statutory ban on contraception on the grounds that it infringed a married couple's constitutional right to marital privacy and autonomous family life decisions.

Article 26 of the Irish Constitution

The constitutional mechanism enabling the President of Ireland, following consultation with the Council of State, to refer a bill to the Supreme Court for an assessment of its constitutionality.

Separation of Powers

The constitutional doctrine dividing state authority into three distinct organs: the Legislature/Oireachtas (enacts statutes), the Executive/Government (implements laws), and the Judiciary (interprets and applies laws through the courts).

Fundamental Rights

Basic and essential entitlements recognized by a state's laws and constitution as necessary for an individual's dignity, liberty, and human development.

Referendum

A direct popular ballot submitted to the entire electorate to approve or reject a specific legislative proposal, constitutional amendment, or policy issue, distinguished from an election of political candidates.

Proportionality

A legal concept defined as the quality of corresponding in size, degree, or severity to another measure or standard.

Public Good

A legal balancing consideration evaluating which competing right or outcome produces greater welfare and benefit for society as a whole.

Murray v Ireland (1985)

A High Court decision delivered by Mr Justice Costello rejecting a claim by two incarcerated spouses serving life sentences that an alleged unenumerated right to procreate under Article 40.3 entitled them to conjugal visits.