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Leviathan Chapter Notes.pdf

Political Science
Course Code
Janice Stein

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Part 1 of Man
Chapter 1 Of Sense
1.Thoughts are either singly or train (dependant on other)
oSingly are products of bodily senses
Representation or appearance
oObject is an body which exists without us
oWe all have different perceptions of objects because we all perceive through
oTherefore many appearances of one object --subjectivity
oRelative reality .. Limited reality/knowledge
Reality is limited to what we can sense
Reality is nothing more than appearances
2.All conceptions of man are derived from his senses. There rest are from that original
3.Cause of senses
oExternal body or object in nature presses organ
oReact with body to create a feeling
oPresseth our organs diversely
Harsh interaction with nature
4.Sensible qualities lay in object that causes them
oObject itself is seperate from the appearance we create of it
oSense caused by motion of external thing
oMotion causes motion
oAristotle's position
Aristotle's essentialism: objects in the external world have a certain
"essence" that gives them the qualities that humans experience through their
For example, when we see a red apple there is an inherent "redness" to the
apple that is transmitted to us through sense.
Thus, there is some objective essence or meaning to objects that we
Contrary to this, Hobbes argues that our sensory experience is entirely
subjective. He argues that to speak of any sort of essence like "redness" in the
absence of an object is absurd, since we can only experience that which we can
Following from this, what gives an object meaning is not some essence
inhering in an object, but our own subjective experience of external bodies.
Chapter 2 Of Imagination
1.When a boy is in motion it moves until something hinders it, this hindering cannot stop if
absolutely but over time through continuos hindering

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oWaves in water after wind stops blowing
2.Motion in internal parts of man continues after external thing presseth upon him
oi.e dreams
3.Greeks: fancy, appearances, imagination
4.Imagination = decaying sense
5.Imagination of past is obscured and made weak as the voice of man is in noise of the day
6.Time has influence on imagination
7.Decaying sense = memory
oImagination = memory
8.Compounded vs simple imagination
oCompounded: 2 senses = horse + man = centaur
oSimple: just 1 sense = man
9.Collection of memories = experience
10.Emotions produce a bodily physical reaction whose remnants carry through in dreams
11.No imagination in dreams --> no dreams --> just agitation
12.In silence of sense then are our waking thoughts ?????
13.Imagination, over time, is the same as "memory."
14.Memory of things sensed from the outside world is defined as "experience," while
sensation of internal movements of the human body is called a "dream" when one is asleep,
or a "vision" or "apparition" when one is awake.
Equates beasts with men
oBoth have faculty of imagination
oAnd thus the faculty to use imagination to interpret signs and words
oAbility to understand
15.But what makes man different is the ability to understand not only his will, his
conceptions, and thoughts but understand others.
16.Ability to produce causes from effects and effects from causes....
Chapter 3
1.Consequence: succession of one thought to another = mental discourse
2.2 types of trains of thoughts
oUnguided, without design and inconstant(no passionate thought to govern and
direct , wandering thoughts)
oRegulated/guided thoughts
Regulated by some desire an design
Two types:
one when of an effect imagined we seek the causes, or
means that produce it
When imagining anything whatsoever we seek all we can o
with it, when we have it (Quality of MAN only not other species)
oThoughts when governed by design
Are seeking, faculty of invention

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Hunting out causes and effects
Remembrance: calling to mind former actions (re-conning)
Sometimes a place is determined but the way to get there is not
Sometimes we want to know the event of an action and so we infer
to past similar events
Prudence / Method of Induction
Cant observe all experiences possible so usually such guesses of
cause and effect relations = fallacious
Therefore person with most observing experience = most
likely to be correct
Event antecedent of the consequent an sometimes the consequent
of the antecedent
More prudence = more ability to predict and identify signs
Prudence doesn't distinguish man from beast
Prudence = presumption of future based on experience from the past
Degree of uncertainty due to it being grounded in experience only
o"For besides sense and thoughts, and the train of thoughts, the mind of man has
no other motion, though by the help of speech and method the same faculties may be
improve to such a height as to distinguish men form all other living creatures"
Whatever we imagine is finite
No idea or concept of infinite
When we say infinite we mean: we are not able to conceive the ends an
bounds of the thing conception but our own inability
Chapter 5 Of Reason and Science
-Definition of Reason:
oReckoning (like in addition, subtraction etc)
oreckoning (that is, adding and subtracting) of the consequences of general
names agreed upon for the marking and signifying of our thoughts; I say
marking them, when we reckon by ourselves; and signifying, when we
demonstrate or approve our reckonings to other men
-Use of Reason
oThe use and end of reason is not the finding of the sum and truth of one, or a
few consequences, remote from the first definitions and settled significations
of names; but to begin at these, and proceed from one consequence to another.
For there can be no certainty of the last conclusion without a certainty
of all those affirmations and negations on which it was grounded and
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