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  ATES THAT WE DON’T KNOW WHETHER THE WORLD IS NON-EUCLIDEAN, THE AUTHOR GOES

  ON TO GIVE EVIDENCE THAT IT IS NON-EUCLIDEAN. CHOICE (C) OVERSTATES THE MAIN

  IDEA. THE AUTHOR DOESN’T SAY THAT THE WORLD IS NON-EUCLIDEAN, JUST THAT EVI

  DENCE STRONGLY INDICATES THAT IT IS. IN CHOICE (B), THE WORD "PROBABLY" PROP

  ERLY LIMITS THE SCOPE OF THE MAIN IDEA, NAMELY, THAT THE WORLD IS PROBABLY N

  ON-EUCLIDEAN, BUT WE CAN’T YET STATE SO DEFINITIVELY. THE ANSWER IS (B).

  PREMISES

  ONCE YOU’VE FOUND THE CONCLUSION, MOST OFTEN EVERYTHING ELSE IN THE ARGUMENT

  WILL BE EITHER PREMISES OR "NOISE." THE PREMISES PROVIDE EVIDENCE FOR THE C

  ONCLUSION; THEY FORM THE FOUNDATION OR INFRASTRUCTURE UPON WHICH THE CONCLUS

  ION DEPENDS. TO DETERMINE WHETHER A STATEMENT IS A PREMISE, ASK YOURSELF WHE

  THER IT SUPPORTS THE CONCLUSION. IF SO, IT’S A PREMISE. EARLIER WE SAW THAT

  WRITERS USE CERTAIN WORDS TO FLAG CONCLUSIONS; LIKEWISE WRITERS USE CERTAIN

  WORDS TO FLAG PREMISES. FOLLOWING IS A PARTIAL LIST OF THE MOST COMMON PREMI

  SE INDICATORS:

  PREMISE INDICATORS

  BECAUSE FOR

  SINCE IS EVIDENCE THAT

  IF IN THAT

  AS OWING TO

  SUPPOSE INASMUCH AS

  ASSUME MAY BE DERIVED FROM

  EXAMPLE:

  SINCE THE INCUMBENT’S VIEWS ARE OUT OF STEP WITH PUBLIC OPINION, HE PROBABLY

  WILL NOT BE REELECTED.

  HERE "SINCE" IS USED TO FLAG THE PREMISE THAT THE INCUMBENT’S POSITIONS ARE

  UNPOPULAR.

  SUPPRESSED PREMISES

  MOST ARGUMENTS DEPEND ON ONE OR MORE UNSTATED PREMISES. SOMETIMES THIS INDIC

  ATES A WEAKNESS IN THE ARGUMENT, AN OVERSIGHT BY THE WRITER. MORE OFTEN, HOW

  EVER, CERTAIN PREMISES ARE LEFT TACIT BECAUSE THEY ARE TOO NUMEROUS, OR THE

  WRITER ASSUMES THAT HIS AUDIENCE IS AWARE OF THE ASSUMPTIONS, OR HE WANTS TH

  E AUDIENCE TO FILL IN THE PREMISE THEMSELVES AND THEREFORE BE MORE LIKELY TO

  BELIEVE THE CONCLUSION.

  EXAMPLE:

  CONCLUSION: I KNEW HE DID IT.

  PREMISE: ONLY A GUILTY PERSON WOULD ACCEPT IMMUNITY FROM PROSECUTION.

  THE SUPPRESSED PREMISE IS THAT HE DID, IN FACT, ACCEPT IMMUNITY. THE SPEAKER

  ASSUMES THAT HIS AUDIENCE IS AWARE OF THIS FACT OR AT LEAST IS WILLING TO B

  ELIEVE IT, SO TO STATE IT WOULD BE REDUNDANT AND PONDEROUS. IF THE UNSTATED

  PREMISE WERE FALSE (THAT IS, HE DID NOT ACCEPT IMMUNITY), THE ARGUMENT WOULD

  NOT TECHNICALLY BE A LIE; BUT IT WOULD BE VERY DECEPTIVE. THE UNSCRUPULOUS

  WRITER MAY USE THIS PLOY IF HE THINKS THAT HE CAN GET AWAY WITH IT. THAT IS,

  HIS ARGUMENT HAS THE INTENDED EFFECT AND THE FALSE PREMISE, THOUGH IMPLICIT

  , IS HARD TO FIND OR IS AMBIGUOUS. POLITICIANS ARE NOT AT ALL ABOVE USING TH

  IS TACTIC.

  A COMMON QUESTION ON THE GMAT ASKS YOU TO FIND THE SUPPRESSED PREMISE OF AN
2011-09-13 19:31:00   来源:liuxuepaper.Com    双击单词自动翻译

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