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Deontology

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Deontological ethics, or deontology, is a normative ethical theory. This means it provides a framework for determining how people should act. In this system, the morality of an action depends on whether the action itself is right or wrong under specific rules. This approach focuses on duty and obligation. It is often called rule-based ethics. Deontology is distinct from consequentialist theories, such as utilitarianism. While a consequentialist looks at the outcome of an action, a deontologist looks at the inherent nature of the act. The goal is to follow the correct principles regardless of the results.

How does a person determine their duty? In deontological systems, obligations can arise from many different sources. Some people follow ethical naturalism, where rules are seen as inherent to the universe. Others follow religious law, where duties come from divine commands. Some people follow personal or cultural values. These values can sometimes conflict with a person's own desires. The core mechanism remains the same: the person acts because they believe they have a duty to follow a rule. The focus stays on the intention and the rule rather than the final consequence.

There are several major types of deontological philosophy. One major type is Kantianism, named after Immanuel Kant. Another type is divine command theory. This theory suggests that an action is right if God has decreed it to be so. A third type is deontological pluralism, which was developed by W. D. Ross. Unlike theories that rely on a single rule, pluralism suggests there are many different duties. Each type offers a different way to identify what a person is obligated to do in a given situation.

Immanuel Kant portrait c1790
Immanuel Kant portrait c1790

History shows that the term "deontology" has changed over time. Jeremy Bentham used the term before 1816. He used it as a synonym for ethics based on judgment. He viewed it as the science of knowing what is fit to be done. Later, C. D. Broad used the term in a more specialized way. He introduced this definition in his 1930 book, "Five Types of Ethical Theory." This helped establish deontology as a specific branch of moral philosophy used to describe rule-based systems.

Immanuel Kant provided one of the most significant contributions to this field. Kant argued that the only thing that is truly good in itself is a "good will." He believed that intelligence or pleasure are not always good because they can make situations worse. A person has a good will when they act out of respect for the moral law. Kant proposed the categorical imperative to evaluate motivations. One part of this says to act only on rules that could become universal laws. Another part states that you must treat humanity as an end, never simply as a means to an end.

Trolley Problem
Trolley Problem
Trolley Problem
Trolley Problem

W. D. Ross offered a different view called deontological pluralism. He believed there are at least seven prima facie duties. These are duties that are self-evident to morally mature people. They include the duty of fidelity, which is keeping promises. They also include the duty of reparation, or making amends. Other duties include gratitude, non-injury, beneficence, self-improvement, and justice. Ross noted that these duties can sometimes conflict, creating a moral dilemma. To solve this, he distinguished prima facie duties from "absolute duty." An absolute duty is a specific requirement for a particular situation that takes all factors into account.

Immanuel Kant portrait c1790
Immanuel Kant portrait c1790

Deontology remains a vital part of modern ethical discussions. Contemporary scholars like Thomas Nagel and Roger Scruton continue to explore these ideas. Roger Scruton has defended natural law and criticized consequentialism. He argues that obligation is an essential part of how we decide to act. Another modern thinker, Frances Kamm, developed the "Principle of Permissible Harm." This principle attempts to connect deontological constraints with the categorical imperative. It suggests that harm is only permissible if it is an aspect of a greater good. This helps philosophers navigate difficult choices, like the famous trolley problem.

Trolley Problem
Trolley Problem
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