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A Mini-Course
in Ontology
The Ontological Question is the question of
reality in its most general, most abstract,
most profound meaning. It is the question of
being, that is, of being as such, and
not of being as it stands determinate in this
nature or that nature or the other nature. It is
the question of being or reality stripped of the
limitations that come of materiality, that is, of
bodiliness or of dependence on bodily things.
Hence, it is the question of nonmaterial real
being.
Here we have the heart of
metaphysics,
and metaphysics is the heart of philosophy. For
philosophy is the ultimate science of all
things, of all reality, and here we have
all reality drawn into a mighty focus and seen as a
single thing, as being. The branch of
philosophy which answers the Ontological Question
is known as
Ontology or
Fundamental Metaphysics.
This mini-course is divided into the following
four Sections:
- Section 1 - The Nature of Being
- Section 2 - The Properties of Being
- Section 3 - The Classification of Being
- Section 4 - The Emergence of Created
Being
Section 1:
The Nature of Being
Topics:
- a. Metaphysics;
- b. Being;
- c. Determinants of Being.
a)
Metaphysics
It is most important that the student learn
early and learn well the precise meaning of this
term metaphysics. For there are many, even
among the learned, who use the word amiss, and
misuse gives us reason to suspect the presence of
misunderstanding.
Metaphysics literally means
after-physics. And physics here means
no laboratory science of bodies with mass and
inertia. It means natures. The Greek
physis is the same as the Latin
natura or the English nature, and it
means a working essence.
Now, the
essence of a
thing is its fundamental make-up, its basic
character as such a thing. And when this essence is
looked upon as the source and font of activities or
operations, it is called a
nature. Thus,
if you want to know the essence of a thing, you
look up its definition; its definition tells you
what it is. But when you know its nature, you what
is does or can do.
The essence of a human being, for instance, is a
substantial compound of body and soul. The nature
of a human being makes this substantial compound of
body and soul the source of all activities that
properly belong to a human being: growing, sensing,
thinking, willing, etc. We do not say that it is
essential to man to think; we do say that is
natural to man to think. Nature is
essence as the source of operations.
Now, there are many essences in the world around
us -- plants, animals, human beings, lifeless
things. Each of these essences has its proper
activities, and, in view of these, each essence is
a nature or physis. And, since it is
this bodily world that first engages our attention
and is the scene of our immediate experience, we
speak of the things in this world as belonging to
the physical order. This, be it understood,
is a cramped use of the term physical, for
physical, taken literally, refers to any
physis (or nature or working
essence) whether it be bodily or non-bodily.
But, as we say, the phrase the physical
order is employed to designate this world of
bodily things. Hence any study, any science, of
things in this bodily universe is called a physical
study, a physical science.
Now, there are things which the mind notices
here in the bodily world which are manifestly not
limited to this world but belong to the non-bodily
world as well, that is, to the world of spiritual
things and to the world as abstractly known. For
instance, the term substance (which means a
reality that is existible as itself, and not
as a mere mark or qualifier of some other thing) is
not necessarily limited to bodies. We can conceive
of spiritual substance as easily as of
bodily substance.
Again, a thing which is understood is
transferred, so to speak, into the knowing mind; it
is represented there in idea or concept; that is,
it is re-present there. The idea
itself is a mental image; we are not talking of the
idea itself, however. We are now considering the
thing as it exists in the knowing mind through
the instrumentality of the idea.
Manifestly this cognitional existence (or
intentional existence, as it is called) is
not the same as the physical existence of a
thing known; but it is a real existence none
the less. My idea of tree, as an
idea, is in and from the mind; it is a
logical being, not a real being. But
my knowledge of tree in and through the idea
tree is knowledge of reality; it is
real knowledge; I know real being;
and I know it by reason of the fact that
tree is stripped by mental abstraction of
all limitation which makes each tree the one
individual bodily thing it is.
For my knowledge of tree holds good of
any tree, of every tree, regardless of size,
botanical kind, location, or even actual existence
since it holds good of every possible tree.
In a word, though a tree is bodily in the
physical order (or the order of bodily things)
and though it is sheerly mental in the logical
order (or order of ideas) it is real in
the order of things or realities abstractly
known.
Now, the realities (and hold hard to that
term realities) which can be found not only
in the bodily world or the physical order, but also
in the supra-physical order, whether this be the
spiritual order of substances, or the order of
realities known in a supra-material way, are said
to belong to the metaphysical order. And a
science of these things is a metaphysical
science.
Metaphysics, as the name of a science,
means the science of nonmaterial real being.
We have seen that such being is either a spiritual
substance, or a bodily thing which is stripped of
materiality by abstraction; it may also be any
being, substantial or accidental, which exists or
has influence in the field of bodies and non-bodies
alike and hence is not limited to the material.
Substance is
a metaphysical term;
cause is a
metaphysical term; such terms also are essence,
accident, relation, and many, many others. For
substance can be material or it can be spiritual
and is still a substance; thus substance
is not held exclusively to the material or
physical order, and is, in so far, nonmaterial;
and it indicates reality, not a mode of
being in the mind; hence it is both
nonmaterial and real, and is, in
itself, a metaphysical term and concept.
Cause can have place among bodily
realities, spiritual realities, and can be traced
also in mathematical relations, and in mental
relations which are non-mathematical; cause
can exist among substances, among accidents. It is
not held down, therefore, to the order of things
material; that is, it is nonmaterial. Yet it
is real; it is conceived as a reality, and
where it exists, it exists as a reality. It belongs
to the order, not of this physis, or of that
physis, or of the other physis, but
sweeps up and over and inclusively upon all. It
comes after the limited physes; it is
meta-physical; it is
metaphysical.
And so with the other examples mentioned. All
the terms noted are not so inclusive as the
term cause, but it is clear that all of them
are free from the limitations which would hold them
exclusively applicable in the realm of bodies;
hence we say they are nonmaterial; and they
indicate reality; they are nonmaterial and
real, and therefore they are
metaphysical.
Metaphysics, therefore, is the science of
nonmaterial real being. Now, the Greek word
on (stem, onto-) means being;
and the termination -logy suggests
science. And so the fundamental part of
metaphysics, which deals with being as such,
has been given the name which means "the science of
being," that is, the name ontology.
b) Being
The term
being means
thing, reality. It means anything that
exists or can be thought of as existing.
The Latin term for being is the coined
word ens. Ens has a strength that is
lacking in the English term being. Perhaps
this is because ens is coined (for it
would be the present participle of the Latin
verb esse "to be," if that verb had a
present participle, which, as a matter of fact,
it has not), and is not a term in constant current
use as the English being is. Ens is
used exclusively and precisely in a philosophical
sense as a noun, whereas being is used in
our casual daily speech both as noun and as
participle. In the present study, however, we use
being as a noun to indicate thing or
state. The Latin ens, by the way, is
the etymological source of the English term
entity.
The term being, like every term, is the
expression of an idea or concept.
Now, as those of you who have studied the Logical
Question should already know, an idea has a content
or make-up called its comprehension; and a
field of meaning, of denotation, called its
extension. We have also seen that ideas, in
point of extension, are, in themselves,
universal, although they may be contracted
to the character of particular and
singular ideas.
A universal idea expresses in the mind some
one thing, that is, some one essence,
which is found in each and every member of the
extension of the idea; therefore the universal idea
is predicable of all and each of these
members (called inferiors or subjects
of the idea). There are five possible modes of
predication, viz., generic, specific,
differential, proper, accidental; usually these are
called simply genus, species, difference,
property, accident. Every universal idea will
be predicable of its inferiors in one of these five
ways.
Now, when we regard the idea of being as
a universal idea, that is, as representing in the
mind some one thing, some one essence, that is
common to all its inferiors, we find that there
is simply nothing conceivable which is absent
from the scope or extension of the idea
being. But how does it apply to its
inferiors; how is it predicable of them?
Certainly not as accident, property, or
difference; and certainly not as species. For these
are restricted classifications of a way or mode
of predication, and, as we have just noted,
there is absolutely no restriction in the mode in
which being is predicated of its inferiors,
for it not only applies to all, but to their
differences and particularities as well.
Everything is a being, every difference
of things is a being, every special character is a
being, every conceivable thing is a being.
Is the one classification left, that is, is
genus the mode of predication proper to
being? Not precisely. For a genus is, after
all, predicable of a class of inferiors, and
there are boundaries of that class, and things
outside those boundaries to which the genus does
not apply or of which it is not predicable. This is
not the case with being. Hence the idea
being does not apply to its inferiors as a
genus.
But we have said that every universal
idea must apply to its inferiors in one of
the five ways called the predicables.
Being does not so apply. Therefore
being is not a universal idea. It is more;
it is a transcendental idea. It soars above
all classifications and is predicable of
everything. But, since genus is the most
wide of the modes of predication, we may say
that being, in its application to inferiors,
is closer to genus than to any of the other four
predicables.
And so, loosely speaking, we say being is
"a sort of genus" or "a genus by figure of speech";
in short, we say being is a genus by
analogy or that being is an
analogical genus.
What we have said of the idea of being is
to be said as well of the term being. It is a
transcendental term, not merely a universal
term. It applies to its inferiors (terms
that can be used as subject when it is predicate)
as an analogical genus.
Being is understood by the mind as
contrasted with its opposite, that is,
non-being or nothing. For, as the eye
cannot behold a visible object exactly unless it
stand against a contrasting background, so the mind
cannot see being except against the
background of non-being or nothingness. And
the mind sees, even as it grasps being as
necessarily contradictory to non-being, that
"a thing cannot be and not-be at the
same time and in the same way."
This judgment the mind inevitably pronounces as
a self-evident certitude and truth. This is the
fundamental first-principle, the first of
self-evident truths, which serves as root-reason
and solid basis for every other judgment. This
self-evident truth, this principle (that is,
this guiding truth), is called
"The Principle of
Contradiction."
Out of the idea of being then (which is
the very first idea in the order of time and
in the order of thinking, since our first
grasp of anything is as a thing) comes at
once the judgment which is enunciated as the
principle of contradiction. Further analysis of the
idea being makes evident other principles.
For, after seeing that a thing cannot be
and not-be in the same way and
simultaneously, the mind sees that the
classifications of being and
non-being are all inclusive, and it
necessarily judges, "Anything either is or
it is not; there is no middle ground between
being and non-being. "This judgment,
so enunciated, is "The
Principle of the Excluded Middle."
Again, the mind, contemplating the idea
being as contrasted with non-being or
nothing, corroborates its finding by asserting the
identity of being and the identity of non-being,
thus: "Whatever is, is; and that which is
not, is not." This is
"The Principle of
Identity."
Finally, the mind, dwelling still on the idea of
being as seen in contrast with its opposite,
judges with inevitable and absolute certitude that
these opposites are different, thus: "That which
is is not that which is not; nor can
that which is not be identified with that
which is." This is
"The Principle of
Difference."
Thus the mind, studying the idea of being
and contrasting it with the idea of
non-being, sees these self-evident truths:
that a thing cannot be both of the opposites
simultaneously; that the opposites exhaust the
possibilities leaving no middle ground which is
neither; that each is what it is; that either is
not the other. These self-evident truths are
primal, basic, fundamental (and, we dare to
say, RADICAL) to all thinking; they are the
root of every proof, of every sound thinking
process and its fruitage.
They are called first principles, that
is, first intellectual principles, first
guiding truths. Their names, to review them,
are the principle of contradiction, the principle
of the excluded middle, the principle of identity,
and the principle of difference. Of these, the very
first is the principle of contradiction.
c) Determinants of
Being
There are no specific kinds of being as
such. For anything is a thing. But there
are specific kinds of beings, of things, on other
bases than the basis of their character as
things simply. We shall speak of such a
classification of things when we come to consider
the categories. But here, considering being
in its most general aspect, we have certain points
which we may call
determinants.
Of these we now speak.
1. Real Being --
Logical Being
- Anything that is existible in the
world of realities independently of the
creatural mind is real being. Anything
that depends for its existence on the creatural
mind is logical being. These types of
being are very often called by their Latin
names: real being is ens reale; logical
being is either ens logicum or ens
rationis.
-
- Examples of real being: man, hill, fire,
soul, spirit, cat, tree. Examples of logical
being: vacancy, darkness, blindness, death
(which are not things but the absence or
cessation of things, and are regarded as
things by the mind, thus having their sole
objectiveness in and from the mind); fictions of
mind like "a square circle"; modes and
relations of mental processes, like
genus, species, subject, predicate.
2. Actual Being --
Potential Being
- Here we have determinants of real
being. A real being that exists is
actual being. A real being that can exist
but does not, is potential being. In so
far as anything exists, it is actual; hence
actuality is a perfection. Insofar as anything
existible does not exist, it is potential;
hence, potentiality is imperfection; it is
unfulfillment. This is why Aristotle defines
God, the Infinite Being, as Pure
Actuality.
-
- The transit from potentiality to actuality
is called
becoming or
motion or
change.
There are four chief types of change: change of
substance or substantial change (as from
living body to dead body; as from lifeless food
to living flesh); change of quantity (as
growth or diminution); change of quality
(as from hot to cold, from ignorant to learned);
change of place or local change or local
movement.
-
- In point of change we see illustrated the
axiomatic truth that nothing becomes,
nothing passes from potential to actual, except
under the influence of what is already actual.
Quidquid movetur ab alio movetur.
Under the head of actual being we must
consider some types of actuality:
(a) First Actuality
-- Second Actuality
- A thing is said to be actual by first
actuality or in actu primo when it is
present in basic fact or in fundamental
equipment. Thus a newborn baby is a rational
creature and a walking creature. The baby
cannot, in fact, use its reason or its
freewill, nor can it use its feet to walk
with. But it has reason and it has
feet. Its fundamental equipment for reasoning,
willing, and walking is present, is
actual. But, owing to immaturity and
inexperience, this equipment is not yet
operative. So we say that the baby is a
reasoning, willing, walking creature in actu
primo or in first actuality. Later,
the baby will exercise the powers of
reasoning, willing, and walking. In such
exercise it will be a reasoning, willing,
and walking creature in actu secundo or
in second actuality.
(b) Actuality of
Essence -- Actuality of
Existence
- About an existing (that is, an
actual) thing, there are two points of
actuality. The thing is what it is in its basic
constitution; and, secondly, the thing is
here. The first point indicates the
actuality of essence; the second point
indicates the actuality of existence.
There is disagreement among philosophers about
the distinction between the actual
essence and the actual existence of an existing
creature. There is no question about the
separability of these two things, but
only about their distinction.
-
- Some hold that the distinction is
real, and that the essence of an existing
creature is one thing, while its existence is
another thing, although these two things are
inseparably united in the existing creature.
Others hold that these two things -- essence and
existence in a creature -- are only one thing
looked at in two distinct ways; they maintain,
therefore, that the distinction is not
real but logical.
Under the head of potential being we must
consider some types of potentiality:
(a) Objective
Potentiality -- Subjective
Potentiality
- A thing looked at as sheerly possible is
said to be objectively potential. A thing
regarded in the causes that may produce it is
said to reside in these causes as in its
subject, and so is called subjectively
potential.
-
- An open meadow is potentially a field of
ripe corn; the thing is possible; corn
could be planted there and come to
ripeness; this is objective potentiality.
But a field just planted in corn is potentially
a field of ripe corn; it is more than sheerly
possible, for the causes that tend to produce
ripe corn are there and at work; the corn is not
yet actual, it is only potential, but the
potentiality resides in a subject; here we have
subjective potentiality.
(b) Active
Potentiality -- Passive
Potentiality
Active potentiality is a capacity for
doing. It is a fully active
potentiality if it is a capacity for laying hold of
something and changing it, as, for example, the
digestive power or potentiality which lays hold of
food and changes it into flesh and blood. It is an
operative potentiality if it involves doing
without essentially changing what it affects.
Passive potentiality is a capacity for
receiving, as, for example, the capacity for
marble to be shaped into a statue.
Sometimes our knowing-powers are called
passive potentialities, for they receive the
impression of their objects. But the knowing-powers
are also active inasmuch as they take in the
impression; they re-act to the impression.
It seems more accurate to call the knowing-powers
operative rather than passive.
Summary of the
Section
In this Section we have learned the meaning of
the term metaphysics, and have clearly
determined the parts of philosophy which properly
belong under this heading.
We have studied the nature of being.
We have learned that being is a
transcendental concept and term, and that it
is predicable of its inferiors in a manner
analogous to that of a genus.
We have studied the principles which are
immediately derived from the idea of being
as seen against the background of its opposite,
non-being.
We have learned that these principles are
four:
- The Principle of Contradiction;
- The Principle of the Excluded Middle;
- The Principle of Identity;
- The Principle of Difference.
We have noted that the first principle of all is
the Principle of Contradiction. These first
principles are self-evident truths which are
fundamental to all thinking and to all certitude in
knowledge.
We have noted certain determinants of being:
real, logical; actual, potential.
We have seen that actuality is either first
actuality or second actuality (actus primus;
actus secundus); that it is actuality of
essence, actuality of existence.
We have also learned that potentiality is
objective or subjective; active or passive.
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