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According to the municipal zoning code, any city planner who approves the designation of a High-Density Residential Zone (HDRZ) in a given neighborhood must first complete a Comprehensive Traffic Impact Study (CTIS) for that neighborhood. Completing a CTIS requires that the planner consult with both the Regional Transit Authority and the neighborhood's local association. However, formal consultation with a neighborhood's local association is impossible if that neighborhood lacks a legally registered civic charter. Currently, none of the neighborhoods located within the historic Westside district possess a legally registered civic charter.

If the statements above are true, which one of the following must also be true?

  1. A
    Any city planner who completes a Comprehensive Traffic Impact Study for a neighborhood will subsequently approve the designation of a High-Density Residential Zone there.
  2. B
    If a city planner decides against approving the designation of a High-Density Residential Zone for a neighborhood, the planner is not required to complete a Comprehensive Traffic Impact Study for it.
  3. C
    Most of the neighborhoods in the city that lack a legally registered civic charter are located within the historic Westside district.
  4. No city planner has approved the designation of a High-Density Residential Zone in any neighborhood within the historic Westside district.Cevap
  5. E
    The lack of legally registered civic charters in the historic Westside district is primarily due to residents' opposition to high-density residential development.

Cevap

No city planner has approved the designation of a High-Density Residential Zone in any neighborhood within the historic Westside district.
The correct answer accurately reflects the contrapositive of the stimulus's logical chain. The text establishes that approving an HDRZ requires completing a CTIS, which requires consulting the local association. It also establishes that this consultation requires a civic charter. Because no neighborhood in the Westside district has a civic charter, it is impossible to consult their local associations. Consequently, a CTIS cannot be completed, meaning a city planner cannot approve an HDRZ there.

Adım Adım Çözüm

1
Diagram the primary conditional statements provided in the municipal zoning rules.
HDRZ Approved → CTIS Completed → (Consult RTA AND Consult Local Association).
To establish the necessary prerequisites for a city planner to legally approve a high-density zone.
2
Diagram the restriction regarding neighborhood civic charters.
No Civic Charter → Local Association Cannot be Consulted.
To integrate the limiting condition into the logical framework.
3
Form the contrapositive logical chain combining all premises.
No Civic Charter → Local Association Cannot be Consulted → CTIS Cannot be Completed → HDRZ Cannot be Approved.
To determine the unavoidable consequences when a neighborhood lacks a civic charter.
4
Apply the specific factual premise about the Westside district to the contrapositive chain.
Westside Neighborhood → No Civic Charter → HDRZ Cannot be Approved.
To draw a definitive conclusion that must be true based entirely on the provided text.

Anahtar Kavram

Chaining conditional statements and applying the contrapositive to draw a guaranteed deduction.
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Must Be True Questions

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