In a democratic society, the legitimacy of the government is derived from the consent of the governed, meaning that the government's authority is based on the agreement and approval of the people it governs.

John Locke is widely recognized as the philosopher who developed the concept of the social contract, arguing that individuals give up some of their natural rights in exchange for the protection and benefits provided by an organized society.

A constitution in a democratic system serves multiple purposes, including limiting the power of the government, protecting the rights of citizens, and establishing a system of checks and balances to ensure that no one branch of government becomes too powerful.

De jure legitimacy refers to the legitimacy of a government based on its legal authority and constitutional framework, while de facto legitimacy refers to the legitimacy of a government based on its actual power and control over a territory.

Value Consensus Theory posits that the legitimacy of a government is derived from the shared values, beliefs, and norms held by its citizens, creating a sense of unity and common purpose.

Opponents of the idea of a 'right to revolution' argue that it is incompatible with the principle of majority rule, undermines stability and order, and violates the social contract between citizens and the government.

Aristotle believed that the legitimacy of a government is contingent upon its ability to promote the common good and the well-being of its citizens.

Critics of the 'divine right of kings' theory argue that it is based on superstition, incompatible with popular sovereignty, and prone to leading to tyranny and oppression.

Performance Legitimacy Theory asserts that the legitimacy of a government is derived from its ability to deliver effective and efficient governance, meeting the needs and expectations of its citizens.

Proponents of the 'right to revolution' argue that it is a necessary safeguard against tyranny and oppression, allowing citizens to resist unjust and illegitimate governments.

Thomas Hobbes believed that the legitimacy of a government is derived from its ability to maintain law and order, protecting citizens from the dangers of a chaotic and violent state of nature.

Critics of the 'social contract theory' argue that it is based on an unrealistic view of human nature, ignores the role of power and coercion in politics, and fails to account for the diversity of political systems.

Procedural Legitimacy Theory posits that the legitimacy of a government is derived from the fairness and impartiality of its decision-making procedures, ensuring that all citizens have a say in the political process.

Proponents of the 'divine right of kings' theory argue that it is based on religious authority and tradition, giving the monarch a sacred and inviolable right to rule.

John Rawls developed the theory of justice as fairness, arguing that the legitimacy of a government is contingent upon its ability to promote justice and equality, especially for the most disadvantaged members of society.