What is Metaphysics?

Metaphysics is the study of the most basic principles of reality, the ultimate structure of things, or as the ancient Greeks would say “first principles.” The goal of metaphysics is to find out the truth about the basic nature of reality, to determine what kinds of things exist and what things do not exist and how they relate to each other. Generally, the kind of stuff that Aristotle was concerned about when the wrote his Metaphysics. (Thomson, 265)

One way to conceptualize metaphysics is to say that science typically seeks to describe “how” things work, but metaphysics focuses upon “what” kinds of things exist, what it means for them to exist, and the “why” questions concerning these things. (Ney, 31-36).

A primary concern of metaphysicians is what it means for something to “exist” and what kinds of things exist. Ancient metaphysicians often relied upon reason, intuition, trances, dreams, and the study of nature to draw conclusions about how reality is structured. Plotinus practiced divination and an entire section of his Enneads (3.4) is dedicated to Tutelary Spirits.

Nowadays, metaphysicians rely primarily upon the tools of logic and insights gained from scientific discovery to go about their research. In the past century great discoveries have been made by physicists concerning the nature of space, time, causation and the nature of reality at the microscopic scale. These are of great interest to metaphysicians, who are often concerned with the nature of physical things, free will, time, and how they relate with one another.

A great deal of modern metaphysics is about whether anything exists beyond the natural or physical world. Some philosophers think there are abstract objects (such as mathematical objects) in addition to physical things. An abstract object, would be one which exists but is not extended in space, something which has properties but does not have any physical properties like location, weight, or mass. Some philosophers think that the mind is an immaterial substance (substance dualism) or that there is a God of some sort. If real, such things would exist beyond the physical world in some sense.

In metaphysics, claims about reality are supported by arguments because no direct proof is often available. The premises of these arguments are usually supported by claims about possibility, impossibility and necessity (i.e. modality). Claims about the way things could possibly be, how they could not possibly be, and what things must always be the case. Also scientific evidence is sometimes used to support premises and metaphysical arguments or appeals to intuition. Modern philosophers do not usually make appeals to dreams, mystical experiences, or visions (like Socrates, etc.). (Apology, 21b-d, et al) 

Ney, A (2014). Metaphysics: An Introduction. New York, NY: Routledge. 

Thomson, G. (2016). Thales to Sextus: An Introduction to Ancient Philosophy. Long Grove, Ill.: Waveland Press Inc.