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The
Philosophy of John Duns Scotus
1265 or
66-1308
"The Subtle
Doctor"
TABLE OF CONTENTS
I.
Life and Works
John Duns Scotus (picture)
was born in Scotland, probably in the village of
Maxton (now Littledean), in 1265 or 1266. While
very young, he entered the Franciscan Order. After
his ordination to the priesthood in 1291, he was
sent to Paris to study at the famous university
there, and on his return to England he taught at
Oxford. In 1303, as a student at the University of
Paris, he wrote his commentary on the Book of
Sentences. He returned to Oxford but by 1304
was teaching in Paris. Here he propounded his
celebrated thesis on the Immaculate Conception of
the Blessed Virgin. In 1308 Scotus was in Cologne
as lector in the Franciscan Scholasticate, and
there on the eighth of November of the same year he
died.
His principal works are: Opus Oxoniense
(named so from Oxford), his great commentary on the
Sentences of Peter Lombard (this work
contains the better part of Scotus' thought);
Quaestiones subtilissimae in metaphysicam
Aristotelis; Reportata Parisiensia,
which are new notations on his commentary on the
Sentences; Quaestiones quodlibetales, which
contains twenty-one questions; De primo
principio, which contains a profound exposition
of Scotist theodicy.
General Note on the
Thought of Scotus
Scotus is the greatest champion of Franciscan
Augustianianism. The reconstruction of
Augustinianism by St. Bonaventure, likewise the
reconstruction of Aristotelianism by St. Thomas had
already been made before Scotus began to teach. But
Scotus was not a mechanical repeater of either of
them. A serious and constructive thinker, he was
convinced that truth may shine more brightly as a
result of profound investigation: "In progressu
generationis humanae semper crevit notitia
veritatis." Endowed with extraordinary subtle
penetration of mind, Scotus became the faithful
servant of truth by undertaking the task of
criticism in regard to his predecessors' work. In
his teachings he abandons certain theses which were
dear to the Augustinian tradition, while he
interprets others in the light of the new
contribution of Aristotelianism. From this
treatment flows a new and original view of the
major philosophical problems which has come to be
known as Scotism or Scotist thought.
II.
Theory of Knowledge
Scotus does not accept Augustinian
illumination. Instead, he bolds that
intellectual cognition takes its origin from
sensation through the process of abstraction. He
distinguishes, however, between the proper
object of the intellect and its de facto
object. The proper object of this faculty is
"being" -- the entire field of being without
restriction ("ens in quantum ens") -- through which
the intellect can know immaterial essences, even
without the aid of sensations. In the field of fact
(Scotus' "objectum de facto") or in actual
conditions and as a consequence of original sin,
what moves the intellect is only those things that
are presented to sensation ("quidditas rei
sensibilis"). The passage between sensation and
intellectual cognition (ideas, concepts) is
abstraction.
Now, for St. Thomas abstraction consists in an
act on the part of the active intellect which
illuminates the phantasm (sense image). But for
Scotus the universal concept is the result of
causality by which the phantasm itself supplies the
physical universal. The intellect, determined in a
certain causal way by the physical universal, gives
it intentional being -- or in other words, makes it
a real concept predicable of many. From this mutual
causality comes the logical universal which exists
in the intellect; the objectivity of this logical
universal is founded upon the physical universal
that exists in individuals outside the mind.
III.
Metaphysics
General
Metaphysics
As a general metaphysics Scotus accepts the
Aristotelian
principle of matter and form, but to these two
elements he gives a different interpretation than
St. Thomas does. For St. Thomas prime matter takes
its act of existence from the form. For Scotus
existence belongs to the matter, independent of the
form, because one cannot conceive of a being
constituted outside its cause without the act of
existence. Consequently, according to Scotus, prime
matter can exist as such, separate from the form.
Furthermore, there is no real distinction between
essence and existence. Matter, then, is a
constitutive element of every being, even of the
separate forms, such as angels, in whom spiritual
matter is present.
Regarding the concept of being, Scotus holds
that it is univocal, as against St. Thomas, who
teaches that it is an analogous concept. Still, the
division of the univocal concept of being into "ens
a se" and "ens ab alio," into substance and
accident, is not to be conceived of as a reduction
of the genus to its specific differences. "Ens a
se" and ens ab alio" are not specific differences
but transcendental notes which clothe the
entire essence of being under difference
aspects.
More profound is the difference between St.
Thomas and Scotus regarding the principle of
individuation. St. Thomas had affirmed that the
reason for the contraction of the form to the
individual depends upon "materia quantitate
signata" -- matter signed with quantity. Scotus
does not accept this solution, but observes that
quantity is an accident, that therefore in St.
Thomas' system individuality would be reduced to
the level of an accident. Thus, according to the
Subtle Doctor, individuality must be derived from
the form, which is the basis of being. This new
entitative perfection, which comes to the species
(forma) and which indicates the passage from
specific difference to individual determination,
Scotus calls "haecceitas" or "thisness." This
"haecceitas" is the ultimate step of the form (and
hence of the entire composite) toward real
existence. "This reality of the individual is never
meant as a new form, but precisely as the
ultimate reality of the form."
Theodicy
Scotus, in opposition to the Augustinian
doctrine and in accord with Thomism, holds that the
existence of God is not intuitive, but is only
demonstrable a posteriori. The proofs for the
existence of God adopted by Scotus can be reduced
to two processes.
The first is entirely an a posteriori process.
The objects of our experience are changing
realities, or beings in the course of "becoming."
Now that which changes possesses in itself neither
the sufficient reason for its existence nor for its
activity. Hence we are led to admit the existence
of a being that is outside the chain of succession
and change, and that justifies the existence and
action of beings in various stages of becoming.
Substantially, this process had its philosophical
development in the first
three ways of St. Thomas.
The second process consists in a development of
the argument
of St. Anselm. To give validity to this, Scotus
inserts a posteriori elements, i.e., the analysis
of the possibility (contingency) that is affirmed
by our experience. For Scotus, to say that God is
"Id quo majus cogitari non potest" is to say that
God is infinite. Now, according to Scotus, the
weakness of St. Anselm's argument does not rest
with the transition from possibility to real
existence, but in this: that St. Anselm did not
prove that the concept of the infinite is possible.
Scotus proves this possibility negatively by
showing that the concepts of an "ens infinitum"
involves no contradiction. If it did involve a
contradiction, our mind, which has for its object
"ens in quantum ens," would notice it. Positively,
Scotus begins with the data of experience, which
tells us that many things are possible. But all
possible series of beings are related to the
Uncaused Being, which, since it is uncaused, is
infinite Perfection. Hence an infinite being not
only is possible, but actually exists. "Thus,
absolutely speaking, the primary efficient cause
can exist in its own right; hence it exists by
itself." (Opus Oxoniense, n. 16.)
Regarding the attributes of God, Scotus holds
that the essential attribute is His infinity. In
regard to the other attributes, Scotus does not
differ from the common opinion of the Scholastics,
i.e., that God is one, uncaused, the Creator, and
so forth.
The World: Cosmological
Doctrine
In determining the relationship between the
world and God, Scotus accepts the common doctrine
of Scholastic tradition. On certain points,
however, he withdraws from tradition and gives us a
new and personal contribution.
First of all, he is not in accord with St.
Thomas on the foundation of the essences of created
and creatable things. Certainly God knows the
essences of real and possible beings; but what is
their foundation? St. Thomas had said that the
essences, the "rationes aeternae," drew their
origin from the divine essence, which is by nature
imitable in an infinite manner; the divine
intellect took cognizance of this imitability. This
manner of explaining the origin of essences is snot
accepted by Scotus for the simple motive that if it
were accepted the divine intellect would lose the
dignity of its independence. Hence it seems to
Scotus that the origin of the possibles must be
placed in the very intellect of God, which, in
knowing the divine nature, produces such essences
in their intelligible "esse"; as a consequence of
this, possibles are imitable "ad extra." The
eternal ideal existence of things is not distinct
from the act by which God conceives them.
Furthermore, in opposition to Thomistic
intellectualism, Scotus, at one with the whole
Augustinian tradition, affirms the primacy of
the will, a primacy which he extends also to
God. God has created the world through an act of
His will. For Scotus there could not be free
essences in secondary causes (man) if these did not
proceed from a free cause, i.e., from the divine
will.
This Scotist voluntarism profoundly affects not
only Scotus' cosmology but also his theory of
knowledge and psychology. Everything becomes
radically contingent. Thus God in creating has
assigned to every thing its own nature: to fire
that of heating, to water that of being cold, to
the air that of being lighter than earth, and so
forth. But since God is free, His will cannot be
bound to any object. Hence it is not absurd that
fire be cold, water hot, earth lighter than air --
in other words, that the universe be ruled by laws
opposite to those which presently govern it.
Of Scotus' psychology we shall speak in a
moment. Concerning the theory of knowledge, Scotus'
voluntarist doctrine reveals that many metaphysical
and theological truths which are for St. Thomas
demonstrable by reason are not so for Scotus once
he advances the principle that the passage or
transition from effect to cause is not always
legitimate.
The Human
Soul
Scotus, led by his doctrine that prime matter
has a complete essence, separate and distinct from
that of form, admits that in every individual there
is a multiplicity of forms. In man there would be
the form of the body and that of the soul, and the
unity of the person would result from this: that
the form of the body is coordinated with that of
the soul. The soul is complete in itself and hence
can exist even without the body; and granted, as we
have said, that the proportionate object of the
intellect is "ens in quantum ens," the human soul
can know the essences of things even when the soul
is separated from the body.
Concerning the immortality of the soul, the
argument of St. Thomas and of the entire Scholastic
tradition is that the immaterial nature and hence
the spirituality and immortality of the soul are
deduced from the fact that the object of the
intellect is the immaterial essences of things. For
Scotus this argument has the value only of
possibility, of non-repugnance. Since the will of
God is not bound to any contingent thing, and is
free to do anything that does not imply
contradiction, Scotus concludes that the
alternative is also possible; namely, that the soul
can perish with the body. Hence Scotus affirms that
we must rely upon faith for the truth of the
immortality of the soul. It is faith which gives us
the assurance that the immortality of the soul has
real foundation.
Thus in Scotus we find a resurgence of the
Augustinian doctrine that there is no clear
distinction between reason and faith, and that
reason needs the assistance of faith in many of the
conclusions which for St. Thomas are simply
rational truths. Let us note that the voluntarism
of Scotus does not destroy the principle of
contradiction but holds that God is free to choose
any alternative only in the field of the contingent
and provided the opposite is not contradictory; the
will of God is therefore not bound to one side more
securely than to the other. (Thus, for example, it
would not be contradictory for fire to have a
different action, so that would not burn.) The
absolute truths, which are over and above the field
of contingency, and whose opposite would be
contradictory, do not depend upon the will of God
but upon His essence; such truths are always valid,
and their opposite is certainly false -- for
example, the statement "Being is."
IV.
Ethics
In his ethics, Scotus reaffirms the voluntarist
doctrine against the intellectualism of St. Thomas.
However, Scotist voluntarism does not, as has often
been falsely charged, give place to moral
positivism in which the just and the unjust depend
on the exclusive will of God. Indeed, this mild
voluntarism leads to principles and conclusions
that are common Church doctrine.
In God, as in man, the will has primacy over the
intellect. This does not mean that the will of God
is blind and directed by caprice: God, Scotus
declares, is "intelligentissime et ordinatissime
volens." This means that the will of God is
illumined by the divine intellect and that the
primacy of the will of God does not negate this
natural order, which is valid also in God.
Presupposing the action of the intellect, which
points out to the will all the possible modes of
the divine essence, the actual realization of one
series of possibles rather than another depends not
on the intellect but on the divine will. God finds
within His will the motives for self-determination.
But even in determining itself to the realization
of one series of possibles rather than another, the
will of God does not act capriciously.
First of all, says Scotus, "the will of God of
necessity loves God's goodness." Consequently, all
that is essentially bound up with the essence of
God is also willed necessarily by the divine will
-- as, for example, the first three commandments of
the Decalogue. Regarding the rest of the entire
field of possibles which forms, as we have noted,
the field of pure contingency, the will of God is
free; but this is not to say that it acts
indeliberately.
From the moment God is "intelligentissime et
ordinatissime volens," He chooses that order in
which His goodness is more greatly manifest,
without being necessarily bound to this particular
order of contingency (God is bound only to will His
own essence). Hence He is always free to will the
opposite when this change contributes more greatly
to His goodness. Scotist voluntarism therefore
contains nothing that contradicts Church
orthodoxy.
The moral act for Scotus is the result of due
proportion between the potency (the will which must
be free), the object (which must be good in
itself), and the end (which must tend toward God in
place, time, and manner). While for St. Thomas an
object which in itself is evil, but which through
ignorance is apprehended as good, is the object of
a morally good act, Scotus denies that this can be
so: the object also must be good. This is the basis
for another point of divergence from St. Thomas; in
other words, for Scotus there is a third class
lying between morally good and evil acts:
indifferent acts, that is, acts which have nothing
to do with progress or retrogression in the matter
of attaining the ultimate end.
Furthermore, Scotus, along with St. Augustine
and in opposition to Aristotle and St. Thomas,
affirms that virtue is an act of love which directs
us to God. And finally he holds that the essence of
eternal life does not consist, as St. Thomas
states, in the beatific vision of God, but in
love of God. There is no contradiction here,
for love and knowledge are not of the same order.
Distinct acts of distinct faculties cannot be
opposed in such a way. In all created beings, the
act of loving is really distinct from the act of
knowledge. One and the same thing can be the object
of knowledge and of love, but the viewpoint is
different; for as regards knowledge, the thing is
"truth," and as regards will, or love, it is
"good."
So the question: Is God Truth before Goodness or
Goodness before Truth, does not make any sense.
Considered as the object of love, God is Goodness.
Considered as the object of knowledge, God is
Truth. Which comes first? Again this question makes
no sense. Considering the rational subject in the
act of his intelligence, he knows God as Truth.
Considering him in his act of love, he adheres to
God as Goodness. There is no priority, but merely a
difference in viewpoint. The Beatific Vision is an
act of possession of the unity of God by the soul,
in the highest degree of its own unity.
To put the same thing in other words, do we know
in order to love, or do we love in order to know?
Both these questions are wrongly directed. We
are, in order to possess. By being men, we have
both rational intellectual and rational appetitive
faculties; these are coexisting and simultaneous.
By our knowledge we are informed of the object of
our love. By our love, we are attracted to the
object of our knowledge. We can love only what we
know. We can know only what we are affectively in
contact with. Whenever we possess an object, we do
so both through our intellect, by understanding the
object, and through our will, by reacting
affectively to it.
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