Epistemology studies the questions, what do we know, how do
we know it, and ultimately, do we really know anything?
Idealism (the philosophy) sets out to answer those
questions, by beginning with the one incontrovertible observation we all make: we are conscious. The only thing we truly know is that we are
conscious, and therefore, that consciousness exists. All else is secondary knowledge at best. Some say that beyond being conscious of our
consciousness, there is nothing further that we can say with certainty.
This would be all well and fine were it not for this thing
called physical reality, which some Idealists contend does not exist except as
an illusion, a fabrication of our consciousness (or of a collective or
spiritual consciousness). But wait. All is not well and fine, at least not once
we get hungry. You cannot eat abstractions,
or illusions, or ideas.
Try it.
But wait again. We
cannot glibly dismiss Idealism either.
Physics itself teaches us that physical reality is not what our five senses
tell us it is. Solid objects are not
solid, they are mostly empty space.
Quantum physics shows us that subatomic objects are not solid
particles, but rather, probability waves. Not being a physicist myself, I will
oversimplify here. The exact location of
a photon cannot be known whenever its velocity is known, and vice versa. In other words, physics is counter-intuitive. Moreover, there are profound mysteries of
physical science which remain unsolved.
Nature obeys physical laws, but physical laws are not solid
objects, rather, they are abstractions.
Our conscious minds observe how objects behave, and then, using the
abstraction called mathematics, we derive formulas to explain those
observations, and then to predict what further observations are expected to be
made.
There is no physicalist way to explain why natural laws are
what they are. Indeed, the natural laws
which make our universe a suitable home for living, civilized, technological
creatures (i.e., us) are infinitely unlikely.
They must be consciously designed.
As I have detailed elsewhere, attempted explanations, such as a multi-verse,
do not make our universe more likely, but less.
Therefore, the debate between physicalism and Idealism
cannot be won by physicalism. We must
look to Idealism for answers.
The danger in doing that, however, is that many Idealists
regard the evidence of their physical senses as illusory. Some go so far as to dismiss physical reality
as a dream.
Monist Idealism is too rigid. While it makes the valid point that reality
is not bifurcated into two separate realms (physical and mental), it dismisses
physical reality altogether.
Instead, a better paradigm (I think) is to regard
consciousness as a foundation of physical reality. This in no way diminishes the role of
consciousness, while at the same time, regards physical reality with the
principle of practicality, avoiding having to explain away our five senses.
Physics is leaning toward an explanation of material reality
as being composed of information, which in physics, is an abstraction that
defines the states of a perceived object.
Rather than proposing an all or nothing monism, Idealism
does better to regard reality as a hierarchy of realities, a web, a continuum
from top to bottom, from basic foundation to outward manifestation.
In that continuum, our conscious minds detect physical
reality through our five senses, receive inputs, and evaluate them to form an
image, a picture, of what is “out there,” in a form that is “in here.” It is not an entirely objective picture,
because like a blueprint, the image has a limited purpose (for example, getting
food).
We don’t know exactly what things are, but when we get hungry,
we know what food is in practical terms.
Neither our hunger nor our food is an illusion.
We just do the best we can.
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