What Fields Of Philosophy Are Not Considered Sciences?

While philosophy and science have always been closely intertwined, there are parts of philosophy focused on big questions about morality, meaning, and human existence that remain outside the scope of scientific inquiry.

If you’re short on time, here’s a quick answer: Metaphysics, ethics, political philosophy, and aesthetics are major philosophical fields not considered sciences.

This comprehensive guide will explore key philosophical areas that do not qualify as scientific disciplines and discuss why drawing this distinction is important.

Defining the Boundary Between Philosophy and Science

Philosophy and science are two distinct disciplines, each with its own methodologies and areas of study. While science relies on empirical testing and observation, philosophy often employs different methods of inquiry to explore fundamental questions about the nature of reality, knowledge, and existence.

Understanding the boundary between these fields is crucial in order to appreciate the unique contributions and approaches of both.

Empirical Testing in Science

One key factor that sets science apart from philosophy is the emphasis on empirical testing. In the scientific method, hypotheses are formulated and then subjected to rigorous experimentation and observation.

This empirical approach allows scientists to gather evidence and draw conclusions based on objective data. Scientific theories are constantly subjected to scrutiny and revision as new evidence emerges.

In contrast, philosophy often delves into questions that cannot be easily resolved through empirical testing. Philosophical inquiries may explore concepts such as ethics, aesthetics, metaphysics, and epistemology.

These questions often involve subjective interpretations and rely on logical reasoning rather than empirical evidence.

Methods of Philosophical Inquiry

Philosophy employs various methods of inquiry to explore complex and abstract concepts. These methods may include logical reasoning, conceptual analysis, thought experiments, and engaging with historical texts and philosophical traditions.

Through these approaches, philosophers aim to gain a deeper understanding of fundamental questions and engage in critical analysis of ideas.

For example, in ethics, philosophers may use thought experiments to explore moral dilemmas and ethical principles. These experiments often involve hypothetical scenarios that challenge our intuitions and force us to critically examine our ethical beliefs and values.

Such methods go beyond empirical observation and experimentation, highlighting the unique nature of philosophical inquiry.

The Demarcation Problem

The boundary between philosophy and science can sometimes be blurred, leading to debates about what constitutes a scientific inquiry. This is known as the demarcation problem. Philosophers of science have grappled with defining the criteria that distinguish scientific theories from non-scientific ones.

One approach to the demarcation problem is Karl Popper’s falsification criterion, which suggests that scientific theories must be falsifiable and subject to potential refutation. However, this criterion is not always applicable, as some scientific theories, such as those in theoretical physics, may rely on concepts that are difficult to test empirically.

It is important to note that the boundary between philosophy and science is not rigid and fixed. There are areas of overlap and interdisciplinary studies that bridge the two disciplines. This interdisciplinary approach allows for a richer and more holistic understanding of complex phenomena.

To explore further on the demarcation problem and the relationship between philosophy and science, you can visit the Stanford Encyclopedia of Philosophy, which provides in-depth articles on various philosophical topics.


Metaphysics is a branch of philosophy that deals with questions about the nature of reality. It explores concepts such as existence, causality, time, and the relationship between mind and matter. Unlike the sciences, which rely on empirical evidence and experimentation to test hypotheses, metaphysical claims cannot be easily tested using scientific methods.

Questions About the Nature of Reality

In metaphysics, philosophers ponder fundamental questions about the nature of reality. They delve into inquiries such as: What is the nature of existence? Do abstract concepts like numbers and properties have a real existence, or are they merely constructs of the human mind?

These questions go beyond the scope of scientific inquiry, as they do not lend themselves to direct observation or experimentation.

Concepts Such as Existence, Causality, Time

Metaphysics also explores concepts that are difficult to quantify and measure, such as existence, causality, and time. These concepts are not easily subject to empirical analysis and experimentation. For example, while science can study the effects of cause and effect relationships, metaphysics seeks to understand the nature of causality itself.

It delves into questions like: What is the relationship between cause and effect? Does time have an objective existence or is it a subjective experience?

Difficulty Testing Metaphysical Claims Empirically

One of the primary reasons why metaphysics is not considered a science is the difficulty in testing metaphysical claims empirically. While scientific disciplines rely on the scientific method to gather evidence and test hypotheses, metaphysical claims often involve abstract concepts and subjective experiences that cannot be easily measured or observed.

Consequently, metaphysical claims are often based on logical reasoning, philosophical arguments, and thought experiments rather than experimental data.

It is important to note that while metaphysics may not be considered a science, it still plays a crucial role in philosophical inquiry. It allows us to explore questions about the nature of reality, consciousness, and the limits of human knowledge.

By examining metaphysical concepts, philosophers contribute to our understanding of the world and our place in it.


Theories About Morality and Values

Ethics is a field of philosophy that deals with theories about morality and values. It focuses on examining what is morally right or wrong, and how individuals should behave in different situations. Ethical theories are developed to provide guidance on making moral decisions and understanding the principles that underlie our actions.

These theories explore concepts such as utilitarianism, deontology, virtue ethics, and consequentialism. While ethics plays a crucial role in shaping our moral beliefs, it is not considered a science due to its subjective nature and lack of empirical evidence.

Normative Rather Than Descriptive

One of the reasons why ethics is not considered a science is because it is normative rather than descriptive. Unlike scientific fields that aim to describe and explain the natural world based on empirical observations, ethics is concerned with prescribing how individuals ought to behave based on moral principles.

It focuses on evaluating moral actions and providing guidance on what people should do, rather than simply describing what is. This normative aspect makes ethics distinct from scientific disciplines that rely on objective observations and measurable data.

Lack of Falsifiable Hypotheses

Another factor that sets ethics apart from the sciences is the lack of falsifiable hypotheses. In scientific fields, hypotheses are formulated and tested through experiments or empirical observations, allowing for the possibility of proving them wrong.

However, in ethics, it is difficult to formulate hypotheses that can be objectively tested and falsified. Moral judgments and ethical principles are often based on subjective beliefs, cultural norms, and personal values, making it challenging to establish universal truths or testable claims.

Despite not being considered a science, ethics plays a vital role in shaping our moral beliefs and guiding our actions. It provokes critical thinking, encourages discussions on ethical dilemmas, and helps individuals develop a framework for making moral decisions.

Understanding ethics can contribute to personal growth, social progress, and the creation of a more just and ethical society.

Political Philosophy

Political philosophy is a field of philosophy that explores ideas about justice, rights, and the role of government in society. While it is not considered a science, political philosophy plays a crucial role in shaping political systems and policies.

Philosophers in this field analyze various theories and concepts, such as democracy, socialism, and liberalism, to understand how societies can be organized and governed to promote the well-being of individuals and communities.

Ideas About Justice, Rights, and Government’s Role

Political philosophy delves into the complex and subjective nature of ideas about justice, rights, and the role of government. Unlike sciences that rely on empirical evidence and objective measurements, political philosophy explores these concepts through philosophical reasoning and ethical considerations.

Philosophers in this field ask questions like: What is a just society? What are the rights and responsibilities of individuals and the state? These inquiries are not easily quantified or definitively answered, making political philosophy distinct from scientific disciplines.

Subjective Value Judgements

Political philosophy often involves subjective value judgments. It explores questions of what is morally right or wrong, just or unjust, and fair or unfair. These judgments are highly subjective and can vary depending on cultural, historical, and individual perspectives.

For example, different political philosophers may have contrasting views on the morality of certain policies or actions based on their own philosophical frameworks. This subjectivity separates political philosophy from the objectivity commonly associated with scientific disciplines.

Impossible to Verify Utilitarianism

One of the main theories examined in political philosophy is utilitarianism, which suggests that actions should be judged based on their ability to maximize overall happiness or utility. While this theory has influenced political thought, it is impossible to verify or measure utility in a scientific sense.

The subjective nature of happiness and the inability to quantify it make it challenging to apply scientific methods to validate or invalidate utilitarianism. Instead, political philosophers engage in rigorous debates and discussions to critically analyze the strengths and weaknesses of utilitarianism and other ethical theories.


Study of Beauty and Art

Aesthetics is a branch of philosophy that focuses on the study of beauty and art. It seeks to understand the nature of beauty, the principles behind aesthetic judgments, and the ways in which art impacts our emotions and perceptions.

Aestheticians explore various aspects of art, including its creation, interpretation, and appreciation.

According to the Stanford Encyclopedia of Philosophy, aesthetics examines questions such as “What is beauty?” and “What makes something a work of art?” These questions go beyond the realm of empirical observation and scientific inquiry.

Instead, they delve into the subjective nature of human experiences and emotions.

Subjective Experience of Artworks

One of the reasons why aesthetics is not considered a science is its focus on the subjective experience of artworks. Unlike scientific disciplines that rely on objective measurements and empirical evidence, aesthetics acknowledges that art appreciation is highly personal and varies from individual to individual.

For example, two people may have completely different interpretations and emotional responses to the same painting or piece of music. This subjectivity makes it challenging to establish universally applicable principles and criteria for evaluating art.

Cannot Experimentally Assess

Another factor that separates aesthetics from the sciences is its inability to experimentally assess aesthetic qualities. In scientific disciplines, researchers often conduct controlled experiments to test hypotheses and gather data.

However, when it comes to aesthetics, it is challenging to design experiments that can objectively measure the beauty or artistic value of an artwork.

While there are methods, such as surveys and psychological studies, that attempt to explore people’s preferences and reactions to art, they still rely on subjective responses. There is no definitive way to measure or quantify the aesthetic qualities of an artwork in the same manner as scientific measurements.


While philosophy and science share many concepts and intersection points, fields focused on subjective human experiences remain outside the scope of empirical testing.

Appreciating this distinction allows us to employ philosophy and science as complementary means for seeking truth rather than forcing all intellectual pursuits to conform to scientific criteria.

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