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108 Terms
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what were the three factors that spread skepticism?
rise of ancient skepticism, scientific developments, and religious controversy
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the skeptics believed what was too weak to comprehend the workings of the world?
human reason
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what were the two schools that influenced skepticism in the ancient world?
academic skepticism
prrhonian skepticism
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what was the academic skepticismâs source of skeptical thought?
academy of plato
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what did academic skepticism want to show?
dogmatic claims to philosophical truth or enlightenment are ill-founded
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using the example of âthis classroom floor will breakâ, explain what an academic skeptic might think about how true that statement is
ex. answer: itâs more plausible that the floor will not break, but we will never know the genuine truth because it is beyond human grasp
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what was pyrrhoâs motivation for creating prrhonian skepticism?
saw it as a means to attain ataraxia, or freedom from disturbance (means to happiness)
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the pyrrhonianâs say âno more this, than that.â what does this mean?
no more confidence should be placed in one claim than its negation
in other words, we can only say âit seems so to meâ instead of âit really is soâ
ex. itâs wrong to kiss in public but people think differently
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what are the modes of argument according to the pyrrhonians?
dissent, progress ad infinitum, relation, assumption, and circularity
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what is the purpose of the modes of argument?
weakens our confidence in any claim to knowledge
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what is dissent? (mode of argument)
uncertainty caused by differing opinions
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what is progress ad infinitum? (mode of argument)
proof relies on proof and so on to infinity
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what is relation? (mode of argument)
things change depending on oneâs relative perspective
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what is assumption? (mode of argument)
truth that is asserted based on an unsupported assumption
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what is circularity? (mode of argument)
truth asserted involves a circularity of proofs
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what is montaigneâs âapology of raymond sebondâ about?
undermines the human senses and asserts that religion requires faith alone, not reason
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while the protestant reformation wasnât a skeptical doctrine, what relevant questions did they also raise?
how will humans know that religious beliefs and practices are in accord with Godâs will? what if itâs satan who makes me feel divine inspiration, not God?
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the success of heliocentrism led to what?
distrusting of the immediate testimony of the senses because the view of the world was geocentric
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what did the corpuscularian doctrine of primary and secondary qualities say about the senses?
our senses are deceptive when it comes to physical bodies
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what was the puzzle of parallax?
parallax, or the seemingly movement of stars, would be detectable if copernicanism is correct. but, parallax was not detected. however, copernicus refuted this claim saying that âfixed starsâ are probably farther away than we think
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why is francis baconâs ânew organonâ named as such?
aristotleâs writings were commonly called âorganonâ, and since baconâs document undermines aristotleâs writings, the ânew organonâ is named as such
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what are the two was in which traditional logic is flawed?
1. a valid syllogism can yield nothing new from the conclusion that wasnât already said in the premise 2. self-evident first principles are insufficient to ground real knowledge on
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what did francis bacon think was an improvement to aristotelian thinking?
true inductions rooted in experiment and observation
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syllogisms are useful when it comes to __ but not in the discovery of new truths
known truths
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explain why the astronomical first principle âheavenly bodies move with uniform circular motionâ is flawed according to bacon.
accepted w/o critical examination and has epicycles to somewhat line up with this observation
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why wasnât bacon the only one criticizing logic?
scholastic teaching became outdated, and formal disputes often ended in incomprehensible arguments over outdated terminology
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what is the difference between deduction and induction?
deduction: general â particular
induction: particular â general
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bacon thought aristotelian scholasticism gave too much attention to __ and not __
deduction; induction
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what is a problem with induction?
examining prior cases doesnât mean the conclusion is true
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why was bacon especially concerned with scholasticâs focus on deduction?
moves too quickly from limited-sense experience to general axioms (principles)
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what are the four classes of idols?
idols of the:
1. tribe 2. cave 3. marketplace 4. theater
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what is the idol of the tribe?
peopleâs cognitive ability is limited
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what is the idol of the cave?
prejudice rooted from experience
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what is the idol of the marketplace?
confusion arising from misuse of language
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what is the idol of the theater?
nonsensical propaganda by scholastics
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who wrote corpuscularianism? what is its purpose?
galileo galilei; to present mechanism theories against scholastic ones
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what is the fundamental idea behind corpuscularianism?
sensible qualities, such as color, taste, heat, etc., can be explained as a consequence of tiny particles, or corpuscles
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how does corpuscularianism play into the idea that the world is made of atoms?
motions and impacts that generate qualities take place at a level below what is observable
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what are primary qualities?
inseparable from the body of an object
\ ex. size, shape, location, motion, mass
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what are secondary qualities?
resides in the observer, not the body (all in your head)
\ ex. color, taste, smell
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what did jesuit orazio grassi defend?
aristotelian natural philosophy: the four elements and their qualities
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what was the purpose of galileoâs assayer?
to argue against grassiâs view
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what did galileo say about primary qualities?
they are objective: inseperable from the body and intrinsic
\ ex. mass, shape, location
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what did galileo say about secondary qualities?
they are subjective: separate from the body and extrinsic
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who argued that motion is the cause of heat?
galileo: it was stupid to think heat was a quality of an object, as thereâs no intrinsic quality that makes water hot or cold if you dip you hand into either a boiling pot or ice bucket
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what does galileo say about the aristotelian view of elements?
theyâre wrong because earth is perceived by the senses
\ ex. earth is perceived by touch, water by taste, fire by smell, air by sound
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where does heat come from according to galileo?
tiny âcorpusclesâ that have rapid motion
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what is the main question of skepticism?
can anything we know to be true *really* be justified?
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to defeat skepticism, what two goals should be accomplished?
1. find out as much truth as we can 2. avoid the possibility of error
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whatâs an easy way to avoid error?
refusing to accept anything, so nothing can be false
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descartesâ discourse on method was a prefatory work to which three other essays?
geometry, meteors, and dioptrics
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what was descartesâ geometry about?
establishes analytical geometry
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what was descartesâ dioptrics about?
establishes the sine law of refraction
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what was descartesâ meteors about?
first adequate explanation of the rainbow
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descartes asserts âseeing how different learned men may defend different opinions on the same subject, without there ever being more than one which is true, i deemed anything that was no more than plausible to be tantamont to false.â what does this mean?
people have differing opinions on what is true, which is similar to the problem of the criterion: if you have a criteria to figure out what is false, you have to show that that criteria is right, and then you have to show that that criteria is right, and so on ad infinitum
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why must descartes employ skeptical doubt?
establish a body of knowledge that is immune to doubt; doubting to find certainty
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what are the four parts to the cartesian method of skeptical doubt?
1. if thereâs any doubt at all, throw it out 2. break down the problem into constituent parts 3. conduct thoughts in a specific order, simplest to complex 4. ensure nothing is left out
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descartes backs up the cartesian method by bringing up the example of what?
his journey of developing analytical geometry; starts from the basics and goes to most complex: proportions â ratios â lines
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how what does descartes say about humans and machines?
no means to differentiate machines from animals but we can differentiate humans and machines because they are capable of language
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what is the language test?
the utilization of language shows the cognitive and rational capacities of humans that cannot be explained mechanically
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why couldnât descartes publish his treatise *le monde?*
in fear that heâll be condemned like galileo
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what does the wax example establish?
material bodies are extensions of space and can be fully grasped with intellect, not just the senses
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describe the wax example.
we have a piece of wax that has sensible qualities: smell, touch, taste, etc. now, crush, burn, melt, destroy, etc. our mind knows that this is the same piece of wax. how? the conclusion is we go beyond the senses, or what is show to us, and use our intellect to conclude that itâs still the same piece of wax
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the discourse and meditations appeared in which languages?
french and latin respectively
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what were the âmeditationsâ dedicated to?
wise and good doctors of theology
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what were the two points descartes wanted to show doctors of theology in âmeditationsâ?
1. god exists 2. mind or soul is not something that dies with the body
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what was the âhidden purposeâ of the âmeditationsâ?
he hoped for readers to gradually get used to his mechanistic principles and recognize the truth in them before they notice that they destroy the principles of aristotle
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why is the structure of âmeditationsâ like therapy?
follows a consecutive order: things placed in doubt can be recovered after the foundation of knowledge is there, but there can be know establishment of knowledge if doubt isnât gone through
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what challenge does the first meditation introduce?
the challenge of finding a criterion of distinguishing what we *really* know vs what we believe, which may be false
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when is the âmethod of doubtâ introduced in âmeditationsâ?
1st meditation
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explain how to think about cartesian doubt.
1. make a list of âthings i thought i knewâ 2. eliminate anything that makes it possible to have doubt 3. create a list of âthings i genuinely know with certaintyâ out of the filtered list
\ ex. 1. âhoney is sweetâ
2. how do we know honey is sweet?
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how is foundational epistemology structured?
inspired by the deductive structure of geometry, where unchallengable first principles support obscure inferences
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explain what happens in doubt stage 1: deceptiveness of the senses.
naturally, we take our senses to gather information about the world. however, they deceive us often. therefore, we must deny that the senses can be sources of knowledge
\ thatâs not to say we throw away everything, as the example âi am sitting here next to fireâ holds true even though we know about it because of our senses
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explain what happens in doubt stage 2: the dreaming argument.
there are no definitive signs by which to distinguish being away from being asleep. no sensory experience is reliable, even if the thought is âi have handsâ
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can anything survive the dreaming argument? why or why not?
yes, math, logic, and general notions like space, time, motion, and body remain sources of truth
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explain the âevil demonâ argument.
descartes cannot rule out the idea that there is a powerful and malicious demon who takes great pleasure in deceiving us
\ ex. tamagochi being hacked to be depressed all the time; there is no way for it to know that it was altered, only that it is depressed
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which meditation establishes the famous line, âi am, i existâ?
2nd meditation
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what is âIâ?
a thing that thinks, with the thing being something that âdoubts, understands, affirms, denies, wills, refuses and that also imagines and sensesâ
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what is the one truth that is certain, even if a demon is deceiving us?
he cannot be deceived about his own existence, so the certain truth is that he exists
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in the 2nd meditation, how does the method of doubt show that descartes will be able to exist even though he has no body?
one can attribute sensations and imagination to the body, and we can be deceived about our sensations. however, the one thing that cannot be separated from his self/soul is thought
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explain the âlooking out the window and observing men crossing the squareâ example in relation to the ideas presented in the 2nd meditation
descartes looks out the window and sees men with their skin concealed crossing the square. instinctively, he sees men in the same way he sees the wax. although he cannot see the bodies, his judgement is what establishes them as men
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what was aristotelian-scholasticism?
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at the time of aristotelian-scholasticism, there was no distinction betweenâŠ
philosophy and science
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what is hylomorphism?
something has matter but form gives it its distinction
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what are the four causes of hylomorphism?
matter, form, efficient, and final
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what is the problem with âheavy things have heavinessâ?
itâs a circular definition
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what is a substance?
form + matter; exists on its own
\ ex. statue, tree, apple
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what is a quality?
an attribute to a substance; cannot exist on its own
\ ex. color
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why are substances realer than qualities?
substances can exist on their own while qualities cannot; thatâs not to say that qualities are not real, but they are less so
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what model of the universe did scholastics believe in?
geocentrism
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what were the four elements of scholasticism?
water, earth, fire, and air
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in what order, from bottom to top, are the elements?
water, earth fire, and air
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according to scholasticism, why might wood float on water?
the elements are arranged so that water is the closest to the planet and air is the farthest. wood would be described as something that comes from the earth, and since earth rests on water, wood floats on water.
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what are the four fundamental qualities of elements?
hot, cold, wet and dry
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what is ontology?
theory about what exists; what the world is ultimately made of
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what is material?
one of the four scholastic causes; matter which makes it up
\ ex. bronze, marble, wood
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what is formal?
one of the four scholastic causes; the form or shape
\ ex. statue of zeus and not poseidon
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what is efficient?
one of the four scholastic causes; what activity made it to be what it is?
\ ex. the act of chiseling a bronze block
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what is final?
one of the four scholastic causes; what the purpose of the substance is
\ ex. statue created to honor
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what did the scholastic god attribute a rock to do?