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Authors
Descartes, Hume, Berkeley, Chakravarty, Locke, Holbach, Schlick, King, Rawls, Mill
Descartes
Meditation #1
truth and knowledge
in order to reach any sort of knowledge one would need to disregard any falsehoods (doubt).
doubt knowledge that comes from our sense - our senses deceive us.
dreams - mental projection? - everything you are doing is a dream?
composite things (doubt) vs simple things (not doubt)
simple things is the only knowledge you can trust
what if we are all being deceived by a demon?
doubts the existence of an all loving
Meditation #2
doubts his own existence
we are being deceived
exist without body and senses?
exist as long as he is something
thinking thing
as long as he can think he knows he exists
I think therefore I am
he cannot doubt his ability to think
thinking thing: doubts, perceives, affirm, denies, wills, does not will, imagines and feels
dualism
doubts physical over the mind
know more about the things he doubts
wax example
rationalism
Dualism
the distinction between mind and body
Rationalism - Descartes
knowledge come from reason
Berkeley
immaterialism
all that exist is our ideas an perceiving minds
matter = sensory experiences
different ways to experiences objects
to be is to be perceived
God perceives everything
everything still exists
Idealism
mental ideas that we perceive
rejects direct realism
Locke’s primary vs. secondary
depend on perceiver
Immaterialism - Berkley
there is no such thing as matter
Idealism - Berkeley
reality is shaped by or composed of our ideas
Direct Realism
we directly perceive the external world as it is
Hume
all ideas are copies of impressions
Ideas and Impressions
missing shade of blue
can we perceive what that is
yes
Skepticism - Hume
feeling of doubt towards knowledge - we can not truly know anything
Empiricism - Hume
knowledge comes from our senses
Empiricism is in tension with Realism
Scientific Realism
our scientific theories describe mind-independent reality
Chakravartty sees a problem with this
Epistemology
the study of knowledge
Locke
what makes you the same person
memories that connect together the different parts of our lives
person is a forensic term
to be responsible you have to be aware of what you have done
Qualitative Indentity
relevantly similar
Numeric Identity
one and the same thing
Materialism - Holbach
nothing but physical matter exists
Determinism
everything is determined by the laws of nature
Schlick
law of nature and law of society/country
free from compulsion + has certain motives for their actions
responsibility of men
requires that are actions are caused
indeterminism won't help
free will or determined?
Compatibilism/Soft Determinism
the universe operates with law-like order, and that the past determines the future - something different about human actions - some actions are really free
King on Unjust Laws
justifies breaking the law: openly, lovingly and willingness to except penalty
Rawls
veil of ignorance
the difference principle
laws should be fair and just for everyone
inequalities are just as long as they are to everyone’s advantage
Social and economic inequalities are to satisfy two conditions - Rawls
they are to be attached to positions and offices open to all under conditions of fair equality of opportunity;
they are to be the greatest benefit to the least advantaged members of society
Mill
worried about democracy
majority rules
population is not intelligent
extending and limiting suffrage
numeric minorities
all action is for the sake of some end
rights = produce happiness
wrong = produce the reverse of happiness
parliamentary system
50 + 1
Utilitarianism - Mill
you can judge whether an action is morally right or wrong by how much plain or pleasure it produces