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发表于 2009-2-28 08:29:17
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The following appeared in a letter to the editor of the Clearview newspaper.
"In the next mayoral election, residents of Clearview should vote for Ann Green, who is a member of the Good Earth Coalition, rather than for Frank Braun, a member of the Clearview town council, because the current members are not protecting our environment. For example, during the past year the number of factories in Clearview has doubled, air pollution levels have increased, and the local hospital has treated 25 percent more patients with respiratory illnesses. If we elect Ann Green, the environmental problems in Clearview will certainly be solved."
In this argument, the arguer recommends that we should elect Ann Green, a member of the Good Earth Coalition, rather than Frank Braun, a member of the Clearview town council, to be the Clearview's next mayoral. To support this conclusion the arguer points out that the deterioration of environment must be the result of the unconcern of the Clearview town council, of which Frank Braun is a member. As it stands, the argument suffers from several critical flaws as follows.
The major problem with this argument is that the arguer provides no evidence to substantiate that the Clearview town council does not safeguarded the environment. Perhaps the current members have taken various measures but they didn't work. And perhaps the doubled amount of factories, which are not surely the cause of worse environment, has nothing to do with the town council.
Another defect that impairs the logic of this argument is that the arguer doesn't mention the position and duty of Frank Braun in the town council. It is highly possible that he has made great efforts to enforce a policy of protecting environment, even if the other members neglect or veto.
Before I come to my conclusion, it is necessary to point out several other flaws that undermine the argument. The arguer assumes too rapidly that Ann Green will solve the problem of environment after being voted mayor. What's more, the increasingly respiratory illnesses, which may be cause by the increasing cigarette marketing, are not certainly related to worse environment.
In summary, this argument seems to be credible; actually, it is neither dependable nor convincing. To make the argument more compelling, the arguer would have to provide clear evidence that the Clearview town council does not protect the environment, which has relations with Frank Braun. In addition, the ability that Ann Green possesses of resolving the environmental problem must be proved. If the argument includes the given factors mentioned above, it would have been more meticulous and reasonable. |
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