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explain why simply having a true belief that P, is insufficient for knowledge that P.

3 Suppose you are justified in believing a proposition that is in fact false. Could there be an argument for that proposition which is rationally persuasive for you? Would the situation change if the proposition were actually true rather than false? Explain your answer, using examples - your own examples - if you find it useful.

4 Consider the following case and then answer the questions that follow.

Julia, Nicole and Jennifer have all been nominated for the Best Actress Award at this year's Academy Awards. Harry Starstruck is Hollywood correspondent for the Daily Dirt. Harry believes that Julia will win the Oscar. His belief is based upon evidence provided by a tip-off from a usually reliable inside source. Harry's source also provides an extra titbit of gossip: Julia has recently dyed her hair flame red. Thus, Harry also comes to believe that the woman who will win the best actress Oscar has red hair. In the event, however, Harry's usually reliable source turns out to have let him down. The Oscar was won by another famous Hollywood red-head - Nicole.

a According to the tripartite definition of knowledge, does Harry know that the woman who will win the Oscar for best actress has red hair? Explain your answer.

b Examine your own intuitions about knowledge, does Harry know that the woman who will win the Oscar has red hair? Why/Why not?

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