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THE
PROBLEM OF KNOWLEDGE
A Brief
Introduction to Epistemology
by Jonathan Dolhenty, Ph.D.
PART
ELEVEN
- What are
Terms?
- How Can We Classify
Terms?
- Supposition of
Terms
IDEAS AND
TERMS
We have now discussed the idea and its various
aspects and divisions. It's time to turn our
attention to the term, the expression of language
we use to designate the idea. Whenever we speak or
write or think, our ideas are always couched in
definite words. The idea is not the word or term
but we use words or terms to designate ideas.
What are
Terms?
We can define a "term" as a sensible
conventional sign, expressive of an idea. Let's
consider the meaning of this.
A sign is something which conveys to the mind a
knowledge of something else. There must be three
elements present:
- the thing that is signified and becomes
known,
- the signifying thing which makes it
known, and
- the connection between these two, wherein
the signifying thing has the power to convey
knowledge of the thing signified to the
mind.
There are, strictly speaking, different sorts of
signs. There are "formal" signs, which are based on
a similarity or picturization of the thing
signified, such as paintings, photographs, motion
pictures, and so on. There are also "instrumental"
signs, which are based on something other than a
similarity. Examples would be words, facial
expressions of anger or humor, smoke indicating
fire, pain signifying a cut finger, and so
forth.
Some "instrumental" signs are natural, they
signify something by their very nature. Smoke
indicating fire, a clenched fist indicating anger,
an irregular heartbeat indicating a circulatory
problem, and smiling indicating some corresponding
emotion are examples of natural signs.
Some "instrumental" signs, however, are
conventional and, therefore, arbitrary. We stop at
a red light because it has been decided that a red
light will so indicate this action. Our country's
flag is a conventional sign. It could have been
other than it is. It could have been a blue star on
a white background, for instance. There are many
conventional signs we put up with because we have
decided to do so for safety, convenience, or other
reasons. Company logos are conventional signs.
Companies protect these logos legally because they
signify the company and its products and the public
identifies with them.
Terms (or words) are also conventional signs.
The fact that, in English, we call a certain animal
a "horse" is a matter of convention. We agree
(actually our ancestors somewhere did) that this
term "horse" will represent this idea "horse." In
other languages the same animal is designated by a
different set of vowels and consonants.
Terms are also sensible conventional signs. They
must be able to be perceived by us. Written words
stand for spoken words.
Furthermore, terms are sensible conventional
signs that are expressive of ideas. This is the
reason for having terms or words. This is the
characteristic which distinguishes this sort of
sign from other kinds of signs. Crying may be a
sign of sadness but only words can express the
ideas behind the sadness.
How Can We
Classify Terms?
Terms can be divided into different classes.
From the Viewpoint of
Perfect and Imperfect Signification
A univocal term is one constantly used in
an identical sense. Words such as dog, automobile,
gold, planet are univocal terms.
An equivocal term is one used in entirely
different meanings. For example, a pen can be a
writing instrument or an enclosure for animals. A
leaf may be part of a plant or a section of a table
top or a thin sheet of paper.
An analogous term is one applied to
unlike, but related things, so it is used in a
meaning that is partly the same and partly
different. And such a term may be based either on
an analogy of proportion or on an analogy of
attribution.
In the case of an analogy of proportion, a term
is applied to unlike things because of some
proportion or resemblance existing between them.
The "foot" of a mountain is called such because of
its resemblance positionally to the "foot" of a
human body.
In the case of an analogy of attribution, a term
is applied in an absolute sense to one thing and is
then attributed to other things because of an
intrinsic relation which they have toward the
first. Consider the word "health." It is used in an
absolute sense when applied to the condition
affecting a living body. But we also say that a
food is healthy because it sustains health,
exercise is healthy because it promotes health, and
going to the doctor is healthy because it preserves
or restores health. The term "health" is used
analogously.
Terms can also be classified as to whether they
are fixed or vague. Fixed terms are
those whose signification remains the same and
vague terms are those subject to many shades and
degrees of meaning. The meaning of vague terms
shifts according to the viewpoint and use of the
individual.
Fixed terms are such as "triangle," "human
being," "plant," "dog," and "circle." Vague terms
are such as "normal," "love," "good," "unhealthy,"
and "dull." The failure to recognize the difference
between fixed terms and vague terms may account for
many of the useless arguments carried on between
people. The term "democracy" is a vague term used
constantly in political arguments. Unfortunately,
this word has many shades and degrees of meaning
and is used in different ways by different people.
The "Democratic People's Republic of China" without
doubt uses the word "democracy" in a different way
from the "Democratic Republic of the United
States."
From the Viewpoint of
the Comprehension of the Idea Expressed by the
Term
Terms can classified into those that are
positive and those that are negative.
A positive term is one which signifies a real,
actual thing. A negative term signifies the absence
of a thing. "Desk," "book," "woman," "virus," and
"dog" are positive terms. "Darkness," "blindness,"
"ignorance," and "vice" are negative terms.
Terms can be concrete or abstract,
depending on whether they express concrete or
abstract ideas. "Human being" and "dog" are
concrete terms. "Humanity" and "redness" are
abstract terms.
Terms can be simple or compound. A
simple term consists of a single word such as "dog"
or "man" or "politician" or "humanity." A compound
term consists of more than one word such as "human
being, "United States Senator," the hard stone,"
"the blue car," and so forth.
Terms can also be either connex or
disparate, depending on whether they express
connex or disparate ideas. "Teacher-student" and
"king-subjects" are connex because there is an
intimate relation between the two words expressing
each idea. A teacher must have a student in order
to be a teacher and a king without subjects would
hardly be a monarch. "Dog-running" and "woman-sick"
are disparate because there is no intimate and
necessary relation the two words expressing each
idea. A dog may not be running; he may be eating. A
woman may not be sick; she may be merely tired.
Finally, some terms are real terms and
some are logical terms. Real terms express
real ideas such as "dog," "stone," "Jane," and "fir
tree." Logical terms express logical ideas such as
"genus," "predicate," and "category."
From the Viewpoint of
the Extension of the Idea Expressed by the
Term
Some terms are singular and apply to one
individual only. "Peter," "Sally," "George
Washington," "the older senator from Ohio," "that
automobile," "this book," and "the inventor of the
printing press" are singular terms since each
applies to only one individual thing or person.
Some terms are universal and can be
applied to each individual member of a class and
also to the whole class itself (remember universal
ideas?). "Tree," "human being," "book," and
"planet" are universal terms. The term "tree" can
be applied to an individual tree and also to the
class of trees as a whole. The same can be said of
the other examples given.
Some terms are particular and can be
taken partly and indeterminately. We can add words
such as "some," "many," "certain," and "a portion
of" to a universal term and make it particular.
Examples would be: "Certain boys are noisy," "A
portion of the money was stolen," and "Many trees
are dying because of pollution."
Some terms are collective and represent a
class, without applying to the individuals of the
class taken singly. "Family," "army," and "flock"
are examples. The term "family" can be applied to
the class of "family," but each individual taken
singly within the class is not a "family."
Supposition
of Terms
All terms have a definite meaning or terms
would be essentially meaningless and useless. But
the meaning of a term can be taken in different
ways, depending on the use to which the term is
put. We call this the
supposition
of a term.
The supposition of a term is the use of a term
for the thing which it signifies. Since we cannot
always produce the actual thing we wish to discuss,
we have to use words or terms to stand for the
thing itself. We need, therefore, a clear
understanding of the use of terms. Everything
depends upon the meaning we give to terms.
The supposition of a term may be either
material or formal. The supposition
is material if we consider it merely as a word,
without any regard to its inherent meaning. When we
say that "dog" is a "noun," we are not considering
the inherent meaning of the term "dog." When,
however, we consider the term "dog" according to
its signification, we take the term in its formal
supposition: for example, when we say "The dog is
an animal." Here we have to consider the inherent
meaning of the term "dog."
The formal supposition of a term will be either
real or logical. It is real when the
term is used for a thing in its natural existence:
"A dog is a living substance." It is logical when
used according to its logical existence in the
operations of the mind: "A dog is the 'species' of
all the individuals in its class."
The real supposition may be either
absolute or personal. The term will
be absolute when it designates merely the essence
or nature as such, without any reference to the
individuals who have the essence or nature. The
term "human being" is used in this sense in the
sentences "Human beings eventually die" and "Dogs
are animals." The term is used in a personal sense,
however, when it signifies both the essence or
nature and the individuals who have this common
essence or nature. For example: "All human beings
eventually die" and "Every dog is an animal." The
words "all" and "every" make the real supposition
personal.
The personal supposition of a term can be
divided into distributive and
collective. A term is distributive when it
is used for all the individuals taken singly and
together. Consider the following sentence: "Every
dog is an animal." We mean to assert here that each
and every dog and all dogs taken together are
animals.
A term is collective when it applies to all
taken together but not to them taken singly.
Consider this sentence: "All parts equal the
whole." This statement is true when we take the
term "all parts" together. We cannot say, however,
that "each single part" will "equal the whole." The
meanings are not same.
We have to be careful in the distributive
supposition of a term. In some cases, the
supposition of a term will apply in a completely
distributive sense, including all individuals,
species, and genera (plural of genus) of the class.
Such would be the case in the sentence "Every
living thing is a substance." In other cases,
however, the supposition of a term will apply only
to the species and genera of a class, but not to
the individuals. Such would be the case in the
sentence "Every land animal was exhibited in the
zoo." In this case, it means only the species and
genera, but not the individuals. With some
practice, this subtle difference will not present
any major difficulty. Just hang in there.
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