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PHLC99H3 Lecture Notes - Cogito Ergo Sum

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Ronaldde Sousa

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lect 3 meaning of life 1/17/2012 9:12:00 AM
First assignment due next Tuesday
‘life as such has no meaning’ ??
the meaning of yourlife is for you to worry about, not about me
Story of Sisyphus
o Offended the God, and was hence punished to roll the stone
uphill forever !!
o Do you think that’s a fun life?
Then what can you add to the stry to make it a fun life?
A desire? A goal to be achieved?
But are these two additions enough to make it fun?
Review of last lecture
Two conditions of success
o Subjective: get the person to be confinced, to be gripped by
your argument
o Objective : the argument has to be a good one, not just good
enough to persuade this person
8 types of meta-ethics
questions and answer from last week
is all rare things expensive? , not really, so the premise is not really
some arguments can be deductive invalid, but indectively a proof (
the deduction is not right, but can indicate something , which may
be right )
o Socrates are men, men are mortal, hence men are all mortal
( inductive proof)
o Rats are animals, animlas are four legs, hence animals are all
o (deductive wrong, and not inductive proof)
Goal of the week

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only proposition can be true or wrong, but argument can only be
sound or valid
o these are the technical terms in philo
reasons :
socrotes example tells you that
an unsound deduction can be sound induction ( an inductive
o if you add ‘typical’, then conclution should be ‘generally , men
are mortal’
o have to be aware of the subjective and objective, to avoid
circle argument
another distinction among reasons
causal explanatory reaons
justifying reasons
o she fells down the stairs as she was tired this is a C-E
o she read it because she’s interested in the book
her reaons, her motivation and her intention to do this
this is the justirying reaons
not only conscoious reasons ( things with minds) can motiviate you,
o this reason may not be void ( admittd by the person )
the reasons we are interetesd
o the causesless interested
o so we are looking for both causes and reasons
you want to do something( motivation), and causes you
to do this
o preference, duty are subtypes of justrifying reasons
o an excuse is not a justrifying reason, but an exculpatory
I was too frieended to refuse
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