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Zorluk: ZorPrinciple - Justify

Art Conservator: We must decide whether to apply the newly developed Xylol treatment to the decaying municipal mural. Applying the treatment will permanently alter the texture of the original paint. However, if we do not apply the treatment, the mural will crumble completely within five years, meaning future generations will be unable to view it. Since ensuring that future generations can view the mural is more important than preserving the original texture of the paint, the city ought to apply the treatment.

Which one of the following principles, if valid, most helps to justify the art conservator's reasoning?

  1. A preservation treatment ought to be applied if it is necessary to achieve a goal that is more important than any goal whose achievement is thwarted by the treatment.Cevap
  2. B
    A preservation treatment ought to be applied only if it is necessary to achieve a goal that is more important than any goal whose achievement is thwarted by the treatment.
  3. C
    If a preservation treatment is not necessary to achieve a goal that is more important than any goal it thwarts, then the treatment ought not to be applied.
  4. D
    The primary goal of municipal art conservation should always be ensuring that artworks remain viewable for as many future generations as possible.
  5. E
    A preservation treatment ought to be applied to a decaying artwork if the aesthetic improvements provided by the treatment outweigh the historical value of the original materials.

Cevap

The correct answer is the principle stating that a preservation treatment ought to be applied if it is necessary to achieve a goal that is more important than any goal whose achievement is thwarted by the treatment.
This option provides a sufficient conditional rule that perfectly bridges the premises to the conclusion. The argument establishes that applying the treatment is necessary for future viewability (because without it, the mural crumbles). It also establishes that this viewability goal is more important than the goal of preserving original texture, which the treatment thwarts. By stating that a treatment 'ought to be applied' under these exact conditions, this principle logically guarantees the conservator's conclusion.

Adım Adım Çözüm

1
Analyze the structure of the argument.
Premise 1: Applying treatment thwarts preserving original texture. Premise 2: Not applying it thwarts future viewability (making the treatment necessary for viewability). Premise 3: Viewability is more important than original texture. Conclusion: Ought to apply treatment.
Identifying the premises and conclusion is the first step in finding the logical gap.
2
Identify the logical gap.
The argument jumps from a comparative value judgment (viewability is more important than texture) to a prescriptive mandate (ought to apply treatment).
A Justify principle must provide a formal rule that guarantees the prescriptive mandate based on the given premises.
3
Formulate the required bridging principle.
We need a sufficient condition stating that if an action is necessary to achieve a more important goal, even if it thwarts a less important one, it ought to be taken.
This directly connects the evidence in the stimulus to the conclusion without leaving room for exceptions.
4
Evaluate the options against the formulated principle.
The correct option provides the exact sufficient condition required. Distractors offer necessary conditions, illegal negations, or introduce irrelevant terms like 'aesthetic improvements'.
Only a sufficient bridging principle formally justifies the conclusion in an LSAT Principle - Justify question.

Anahtar Kavram

Principle - Justify: Sufficient Bridging Rules
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