Reality, or, The Philosophy of Yes and No
©2020 by Joel Marks* A Tribute to Joel J. Kupperman Most people, I imagine, think they know the world or reality directly. You open your eyes (or touch something, etc.) and there it is. That was certainly what I assumed at first too. What could be more obvious? But now I believe that what we experience is very far removed from reality. Or, more precisely, I think the answer to the question “Do we know reality?” is “Yes and no.” In fact, what I am about to talk about could be considered as much a demonstration of the Philosophy of Yes and No as an essay on our knowledge of reality. My first step away from the naïve belief in knowledge of reality came in college, when I was introduced to the concept of the visual field by psychology professor J. J. Gibson at Cornell University. Ironically he intended to use that concept to debunk the idea that we don’t know reality directly, since, he argued, the visual (or other sensory) field – for example, objects further away app