PT19.S2.Q20 - anyone who insists that music videos are an art form

Barack Obama 2.0Barack Obama 2.0 Alum Member
edited August 2016 in Logical Reasoning 87 karma
https://7sage.com/lsat_explanations/lsat-19-section-2-question-20/
Why exactly are C and E incorrect? After mulling over this question for nearly half an hour I can't seem to figure it out.

Comments

  • daniel.noah.pearlbergdaniel.noah.pearlberg Free Trial Member
    70 karma
    The reasoning in the stimulus goes like this:
    (Premise) Television gave rise to music videos
    (Conclusion) Anyone who thinks that music videos are an art form should also agree that television gave rise to an art form [since television gave rise to music videos]

    This is a good argument, true by definition.

    (C) is actually just one long conditional, rather than an argument: If someone dislikes tomatoes, and if that person agrees that no taste is universal, then that person should agree that some people do like tomatoes.

    (E) is not a good argument- if someone prefers fruit to vegetables, and fruit happen to be sweeter than vegetables, this doesn't mean that the person will automatically prefer any X to any Y simply because X is sweeter than Y.
  • Barack Obama 2.0Barack Obama 2.0 Alum Member
    edited August 2016 87 karma
    Thanks for your post Daniel. After reviewing this question ad nauseam, I think I got this.

    Original argument:

    Anyone who insists that X is a subset of Y should agree that Z gave rise to a subset of Y.
    Since Z gave rise to X.

    (A) This isn't even an argument, it's just a statement.
    (B) Bingo. Anyone who insists that A is a subset of B should agree that some C is lower in [insert characteristic] than A. Since C is lower in [insert characteristic] than A.
    (C) The conclusion is prescriptive but it doesn't have the subset component that the original argument does. Plus the conclusion is talking about one thing, the conclusion in the original argument talks about two, one of which is a subset of the other. Secondly, none of the subjects the are mentioned in the premises are talked about in the conclusion.
    (D) Conclusion mismatch. The conclusion in this argument is not prescriptive, it denotes probability. Plus it doesn't have the have the subset component that the original argument does.
    (E) The conclusion is prescriptive but like (D) does not have the subset component that the original argument does.
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