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M
Manicheism. A theory, originating with
Manes, which maintained that God is the supreme
Principle of Good and matter the supreme Principle
of Evil.
Materialism. A naturalistic form of
philosophy which finds the ultimate solution of all
phenomena, physical and psychical, in the nature
and activity of universal matter or force.
Material Supposition. The use of a word
merely as a word, without regard to its inherent
meaning.
Matter. See Cause,
Material.
Matter, Primary (Prime). An incomplete
corporeal substance, undetermined but determinable,
capable of receiving any kind of substantial
form.
Mechanism. The theory which maintains
that the ultimate constituent particles of matter
are homogeneous in character, actuated by purely
mechanical forces which produce only local
movement.
Median. The middle quantity or item in a
series arranged according to magnitude.
Mediate Ideas. See Abstractive
idea.
Mediate
Inference. The process by which, from certain
truths already known, the mind passes to another
truth distinct from these but necessarily following
from them.
Memory. The power to recall past objects
and states of consciousness and recognize them as
having been present in former experiences.
Metaphysical Universal. See
Direct
universal.
Metaphysics. The science of the ultimate
principles and properties of real beings.
Method. The proper arrangement of mental
processes in the discovery and proof of truth.
Mind. In epistemology, the conscious
knowing subject or the conscious knowing part of
the subject.
Modal Proposition. A composite single
sentence in which the copula is so modified as to
express the manner (mode) in which the predicate
belongs to the subject.
Mode. The quantity or item which appears
with greatest frequency in a group.
Monadism. The Leibnitzian doctrine which
holds that the ultimate individual beings are
monads; they are partly material and partly
immaterial, possess innate power of representation,
have no means of cognitional intercommunication,
and obtain knowledge corresponding to reality
through a divinely pre-established harmony.
Monism. The doctrine which seeks to
deduce all the varied phenomena of both the
physical and spiritual worlds from a single
principle which is in a continuous state of
evolution; specifically, the metaphysical doctrine
which holds that there is but one substance, either
mind (idealism), or matter (materialism), or a
neutral substance that is neither mind nor matter
but is the substantial ground of both; opposed to
dualism and pluralism.
Monism, Epistemological. The doctrine
which holds that the content or datum of perception
is identical with the reality or object known
thereby; that the attributes of the percept as
experienced and all its relations, except that of
being experienced, are identical with the entities
composing the physical world; there is no dualism
of things and ideas, but only the class of
things.
Moods (Modes) , Syllogistic. The
arrangement of the premises according to quantity
(universality or particularity) and quality
(affirmation or negation).
Motion, Local. The transition of a thing
from one place to another.
Motive of Certitude. The ground or reason
which determines us to assent with firmness to a
judgment as true without fear of its contradictory
being true.
Motus. Any activity
involving the transition from potency to act in a
corporeal being through successive stages, i.e., a
successive change in a body. The act of a being in
potency while still in potency.
Movement. See Motus.
Multiple Categoricals. Propositions which
contain two or more categorical sentences in their
very construction.
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N
Naturalism. The theory of Aristotle, the
scholastics, and contextual realism that beings
possess a "nature," in virtue of which they are
specifically distinct substances with specific
properties and activities.
Naturalism, Scientific. The doctrine that
scientific knowledge of physical objects is the
final and only legitimate form of knowledge.
Natural Law. The universal pattern of
action required by human nature in general (not in
the concrete) for its completion or perfection.
Nature. The essence of a being considered
as the ultimate principle of its operations.
Necessary Propositions. See
Analytic
proposition.
Negative Terms. Terms which signify the
absence of a thing.
Neo-Hegelianism. See Neo-Idealism.
Neo-Idealism.
A more recent form of Absolute Idealism,
characterized by an approach to the problem of
knowledge through experience rather than by means
of aprioristic speculations; neo-hegelianism.
Neo-Psychologism. A more recent form of
psychological idealism, characterized by a closer
union between empirical science and psychology.
Neo-Realism.
The doctrine which holds that there are existent
objects not conditioned by perception or cognition;
all the attributes of the percept as experienced
and all its relations, except that of being
experienced, independently characterize such
objects; pan-objectivism.
Neo-Scholasticism. The system of
philosophy which in the main follows the principles
and tenets of scholasticism, but adapts it to
modern problems.
Nominal Definition. An explanation of
what a word means.
Nominalism. The doctrine which holds that
there are neither universal objects outside the
mind nor universal ideas in the mind.
Non-Ego. Not-self; the whole world,
distinct from man's body and mind and outside his
person, as something other-than-self.
Nothing. The absence of being.
Nothing, Absolute. The total absence of
being in every conceivable form.
Nothing, Negative. The mere absence of
some kind of being in a thing.
Nothing, Privative. The absence of some
kind of being in a thing that is fit to have it and
normally ought to have it.
Nothing, Relative. The absence of a
definite kind of being.
Notion. See Idea.
Noumenon. The unknowable reality or
thing-in-itself which is postulated as the basis,
ground, or cause of the phenomenon.
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O
Object. In epistemology, the thing
known.
Objectivism. The doctrine that things
are, when not experienced by us, just what they
seem when experienced by us.
Observation. The close scrutiny and
examination of natural occurrences.
Obversion. A
process of eduction in which the inferred judgment,
while retaining the original subject, has for its
predicate the contradictory of the original
predicate. Synonym: Equipollence.
Occasion. A circumstance or combination
of circumstances which affords an opportunity for
an efficient cause to act.
Oneness. That attribute of a being in
virtue of which it is undivided in itself (and
divided from every other being).
Ontologism. The doctrine which holds that
man's mind derives all its knowledge through a
direct, immediate intuition of God's ideas or of
absolute Being.
Ontology. The science of being in its
most general aspects.
Opposition, Logical. See Logical
opposition.
Overtly Multiple Categoricals.
Categorical propositions which are plainly composed
of two or more sentences.
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