Knowledge Exam Questions

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  • Created by: Elena.S
  • Created on: 22-03-17 18:45

What is the JTB definition of knowledge? (2)

  • Plato
  • justified: without it, it could be a lucky prejudice that happens to match reality
  • true: knowledge can't be false
  • belief: must have thought in the mind
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Is JTB necessary to knowledge?

J; probably not - possible to truly believe something something without justification

T; probably yes - impossible to "know" something that is false

T; no - science is mostly based on justified beliefs; Kuhn: paradigm shifts prove there's no "theory-neutral" way of explaining anything

T; still probably yes - no explanation for scientific proof unless we're getting closer to the truth; no paradigm shifts bc evidence/methodology overlaps; truth is claims of what is true/false within our own paradigm

B; potentially not - possible to know something without believing it through guesswork; Williamson: knowledge is not a form of belief but an entirely different state - you can't know something by believing it and it needs a factive mental state

B; potentially yes - one doesn't have knowledge bc one cannot provide J + one doesn't need to consciously know something to have knowledge; if someone thinks they know something and it turns out to be wrong, is this belief or knowledge?

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The Gettier problem (5)

  • proof that knowledge isn't JTB
  • Smith and Jones both apply for the same job
  • P1: Jones will get the job
  • P2: Jones has ten coins in his pocket
  • C: the person who will get the job has ten coins in their pocket
  • J bc Smith was sure Jones would get the job, T bc it's true, B bc Smith believed it; therefore knowledge
  • most would argue that it wasn't knowledge therefore is JTB correct
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Barn Country problem (5)

  • proof that knowledge isn't JTB
  • Henry is driving when he notices lots of barns
  • majority of barns are actually fake
  • Henry points one out and says it's a real barn
  • that one barn is the only real one
  • J bc he's justified in believing barns are real when he sees them, T bc it is a real barn, B bc he believed it therefore knowledge
  • most argue that it isn't knowledge
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No False Lemmas (9)

J+T+B+NFL

  • justification can't be based on false premises made partway through an argument
  • defence: intuitional and aligns with usage of "knowledge"
  • criticism: fails at Barn Country bc no false premises
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Feeling of Certainty (9)

J+T+B+FoC

  • defence: none
  • criticism: possible to feel certain and still be wrong; fails at Gettier bc Smith could've been reasonably certain Jones would get the job/fails at Barn Country bc Henry could've been certain that all barns were real
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No Essential False Assumptions (9)

J+T+B+NEFA

  • no false assumptions not articulated in argument
  • defence: rules out knowledge based on beliefs caused by false assumptions i.e Gettier (Smith had false assumption it was Jones); fits usage of "knowledge"
  • criticism: fails Barn Country bc Henry didn't have a false assumption
  • response: Lycan - it should count as knowledge
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Infallibilism (9)

  • justification needs to be so certain it's impossible to be wrong
  • defence: copes with both examples bc both men can't be 100% certain about beliefs
  • criticism: v strict in definition, potentially leading to solipsism
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Elimination of Relevant Alternatives

J+T+B without irrelevant alternatives

  • defence: copes well with Descartes' argument, there could be an evil demon but it's unlikely
  • criticism: doesn't work with Smith bc Jones getting the job was a relative alternative; Barn Country bc fake barns were a relative alternative
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Reliabilism (9)

R+T+B

  • knowledge is true belief caused by relative cognitive process producing high % of correct results
  • defence: children and animals have knowledge
  • criticism: Gettier - Smith had false belief that wasn't reliably informed; Barn Country - Nozick's "truth tracking" doesn't count a quick look around as reliable
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Virtue epistemology (9)

V+T+B

  • knowledge is belief formed as result of intellectual virtues
  • defence: Sosa: knowledge is apt belief as result of virtues
  • criticism: passes Gettier bc you have accuracy from intellectual virtue > luck; Barn Country: Henry used intellectual virtues and had true belief had occurred as a result but still not considered knowledge
  • defence: Sosa: in Barn Country, Henry lacks understanding of context and doesn't have ability to judge how apt belief is therefore not knowledge
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Define belief (2)

  • a thought about the role + a mental representation of what is claims to be true (can be false)
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Define proposition

  • what a statement says (can be true or false)
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Define fact (2)

  • something that is just in the world without being true or false
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Define truth (2)

  • a correspondence between world + proposition
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Define necessary condition (2)

  • something required in order to make an argument or definition
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Define sufficient conditions (2)

  • a group of necessary condition guaranteeing the presence of an argument/definition i.e justified + true + belief
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