07/08/2026

 

Samuel Clifford

 

The Atlas of Reality: A Comprehensive Guide to Metaphysics 

 

By: Robert C Koons and Timothy Pickavance

 

Citation 

 

Koons, Robert C., and Timothy Pickavance. The Atlas of Reality: A Comprehensive Guide to Metaphysics. Wiley‑Blackwell, 2017.

 

Introduction

 

This series of articles are notes on the book mentioned above. The citation for the book can also be found above. As such, the notes here don’t necessarily reflect my views and opinions. The authors of the book made it clear in chapter 1 in the subjection “How to use this book” that they put forward many theories and gave arguments for and against. I similarly want to achieve the same and leave metaphysical arguments of my own to other articles at a future date. Below are my notes on chapter one of the book.

 

Notes on Book

 

Metaphysics is concerned with the nature of reality. It deals with existence, part/whole relation, space, time, causality, etc. It includes the study of what exists (ontology) as well as general features of reality. It seeks to understand both the structure and unity of the world and how they relate to each other.

 

1.1 History of Metaphysics:

 

Metaphysics is considered to be the oldest branch of philosophy. Pre-Socratic philosophers and thinkers such as Thales, Anaximander, Heraclitus, Empedocles, Democritus, and Parmenides asked questions and discussed Metaphysical questions such as what the world is made of, how change works, and what “being” itself means. Aristotle wrote a collection of writings that was titled Metaphysics by later editors, not by Aristotle himself, who never used that term as a formal label. The collection gathers his investigations into first principles, substance, causation, and the nature of being, forming a kind of culmination to the questions the Pre‑Socratics first raised. In these works, Aristotle attempts to move beyond the study of change in the natural world and toward the underlying realities that make anything what it is. Thus, the inquiries that began with early Greek thinkers find their mature philosophical expression in Aristotle’s effort to understand being as being, the foundational task of metaphysics. 

 

Early Greek thinkers such as Empedocles and Democritus sought to explain the composition of matter and the causes of transformation, while Plato introduced the Theory of Forms to define what makes something what it is. Aristotle later systematized metaphysics as the study of being itself, exploring causation, potentiality, and actuality. Over time, metaphysics evolved through medieval integration with theology, modern reinterpretations by Descartes and Kant, and contemporary debates linking it to science and psychology.

 

1.2 Why Learn About Metaphysics?

 

Anti‑metaphysical skepticism argues that we cannot gain real knowledge, or even justified belief, about metaphysical questions. Skeptics claim the subject reaches beyond what human inquiry can meaningfully grasp. The reply offered here is straightforward: the best evidence that metaphysics is possible is the successful practice of it. By engaging directly in metaphysical analysis, philosophers demonstrate that these questions can be explored rationally and fruitfully, undermining the skeptic’s claim through the very act of metaphysical investigation.

 

Pragmatists raise a different challenge, asking why metaphysics matters when ethical, political, and epistemological questions seem more urgent. The response is twofold. First, following Aristotle, metaphysics arises from the natural human impulse toward wonder, our curiosity about what exists and how things relate, which cannot be reduced to practical utility. Second, metaphysical issues inevitably shape other areas of philosophy: questions in value theory, epistemology, and the philosophy of science all rest on assumptions about what is real. Even when philosophers focus on moral or epistemic problems, metaphysical commitments remain unavoidable.

 

1.2.1 Fatalism and alternative possibilities 

 

Mankind seems to always be concerned over their decisions. Even if someone is willingly making the wrong decision they still usually put some thought into their choices. Making choices, however, presupposes that the future has many alternative courses and that the course that will happen is by some degree up to us. This presupposition is part of metaphysics ideas. 

 

The authors give an example of a fatalistic world. If humans inhabit the one and only possible world and nothing that has happened in the past or may happen in the future other than what must unfold. This is a fatalistic picture and human decisions are pointless and insignificant.

 

On the other hand, the idea that the future is open introduces a series of deep metaphysical problems about how time and possibility work. If future events are genuinely unsettled, we must ask why the future has this openness while the past is fixed, and why our deliberation naturally aims forward rather than backward. This leads into questions about the direction of time, what it consists in and how we know which way it points, as well as questions about modal concepts like possibility, impossibility, and necessity. It also raises issues about whether there are merely possible entities that do not actually exist but could have. These concerns fall under the metaphysical study of modality

 

1.2.2 Causation: rights, responsibilities, and knowledge 

 

As stated before, making decisions presupposes the idea that we have an influence over the future. This can be described as causation meaning that when we choose to do something it causes something else. If causation does not exist, then deliberating is pointless, and there are no consequences for our actions. Some in this area remark that the impression our choices can cause other things may merely be illusions. 

 

Moral responsibility depends on the idea that our actions and omissions genuinely cause effects in the world. If nothing we did produced consequences, practices like blame, guilt, remorse, gratitude, or making amends would lose their meaning, because these all presuppose a real link between what we do and what happens to others. This is why the details of causation matter: we need to know whether omissions can count as causes, whether failing to act can harm someone, and how far our responsibility extends. The same causal structure appears in epistemology. Since Edmund Gettier, philosophers have argued that knowledge requires more than a justified true belief, it requires a non‑accidental connection between the knower and the fact known. Typically, this connection is causal: our perception must be shaped by the object itself for our experience to count as genuine knowledge. Without cause and effect, both moral accountability and the very possibility of knowing anything would collapse.

 

1.2.3 The foundations of science: laws, space, and time

 

Modern science’s success has led some thinkers to doubt whether metaphysics still has any real purpose, since physics and cosmology offer powerful, empirically grounded descriptions of the world. Yet that very scientific success generates deep questions science itself does not answer. Debates about the laws of nature, whether they are necessary or contingent, whether they arise from relations among universals as argued by Armstrong and Dretske, or whether they are merely patterns of regularity in the Humean tradition, are metaphysical at their core. Likewise, physics leaves unresolved issues about the structure of space and time, the divisibility of matter, the possibility of an absolute beginning, and whether distinctions like past, present, and future are objectively real or merely relative. These questions seem unavoidable if the world is as science describes it, yet they cannot be settled by scientific methods alone. It is precisely the role of the metaphysician to address these foundational issues and clarify what reality must be like for scientific theories to be true.

 

1.2.4 Mind and body

 

Modern physics gives us a powerful account of the world’s basic physical constituents, electrons, photons, quarks, and the fundamental forces, but this picture leaves out the central features of human life: consciousness, emotion, agency, rationality, and moral normativity. Wilfrid Sellars famously distinguished the manifest image of persons as thinking, feeling agents from the scientific image that describes only microphysical processes, raising the question of how these two images relate. Are mental states genuine causal contributors to what happens, or merely epiphenomenal byproducts of physical events? Do consciousness and agency emerge from physical facts in a way that adds something ontologically new? These issues connect the philosophy of mind with deeper metaphysical questions: what must reality be like for psychological, social, and normative descriptions to be true? What are properties, and what does it mean for complex entities like persons to possess them? Are properties just features of our language and conceptual scheme, or part of the fundamental structure of the world itself? 

 

1.2.5 Personal identity and persistence 

 

Reality might contain large enduring entities like human persons, or it might reduce entirely to microscopic, momentary events. If only subatomic particles truly exist, then persons, relationships, and identity would be illusions, but Augustine and Descartes argue that deception itself requires an existing subject, so our existence can’t be illusory. The reality of persons matters because friendships, commitments, and moral responsibilities all assume that selves persist over time. Understanding how composite things like organisms exist and endure requires metaphysical work on particulars, composition, and persistence. This ties into the distinction between fundamental and derived truths: fundamental truths describe the basic building blocks of reality, while derived truths describe higher‑level entities (like tables or persons) in terms of arrangements of those fundamentals. If something isn’t fundamental, its existence must be grounded in more basic facts. Metaphysics clarifies how complex entities can be real, how they persist, and how their properties depend on deeper levels of reality.