Principle: A city planner should approve a new commercial development project only if the project includes dedicated green spaces and does not significantly increase local traffic congestion.
Which of the following judgments properly conform to the principle stated above? (Select all that apply.)
- The proposed Horizon Plaza project will not increase local traffic congestion, but it fails to include dedicated green spaces. Therefore, the city planner should not approve the project.Cevap
- The Riverfront Mall project includes extensive dedicated green spaces, but it will significantly increase local traffic congestion. Thus, the city planner should not approve the project.Cevap
- CThe Oakwood Complex includes dedicated green spaces and will not significantly increase local traffic congestion. Therefore, the city planner should approve the project.
- DThe city planner decided not to approve the Pinecrest Center project. Therefore, the project must have either failed to include dedicated green spaces or been likely to significantly increase local traffic congestion.
- EThe city planner should approve the Maple Square project, despite it lacking dedicated green spaces, because it will bring substantial economic benefits to the local community.
Cevap
The correct answers are the judgments concerning the Horizon Plaza project and the Riverfront Mall project.
Both correct judgments validly apply the contrapositive of the principle. The principle establishes that having green spaces and not significantly increasing traffic are both strictly necessary for approval. Therefore, if either condition fails, approval must be denied, which is precisely what the two correct judgments logically conclude.
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Anahtar Kavram
Conditional Logic: Necessary vs. Sufficient Conditions and Contrapositives