Question

Difficulty: HardFlaw in the Reasoning

Legal Historian: A judicial system achieves genuine institutional legitimacy only if its appellate tribunals consistently enforce evidentiary standards without yielding to popular sentiment. Recent structural reforms in the maritime territory have fully insulated appellate judges from political pressures, thereby ensuring that evidentiary standards are rigorously and uniformly upheld in all proceedings. It follows that the maritime territory's judicial system has now established genuine institutional legitimacy.

The reasoning in the legal historian's argument is flawed because it

  1. A
    disputes the factual claim that structural reforms are capable of shielding appellate judges from political pressures
  2. treats a requirement that is necessary for achieving institutional legitimacy as though it were sufficient to guarantee that legitimacyAnswer
  3. C
    infers that the entire judicial system has achieved legitimacy based solely on evidence concerning the conduct of a single biased tribunal
  4. D
    confuses a statement advanced in support of an intermediate finding with the main conclusion of the argument
  5. E
    presumes without warrant that appellate judges never yield to non-political forms of external influence

Answer

The argument is flawed because it treats a necessary condition for institutional legitimacy as if it were a sufficient condition.
The argument's first premise sets up an 'only if' condition: Institutional Legitimacy requires Consistent Enforcement of Evidentiary Standards. The second premise establishes that Consistent Enforcement has been achieved. Inferring that Institutional Legitimacy is thereby established commits the fallacy of affirming the consequent (treating a necessary condition as sufficient).

Step-by-Step Solution

1
Analyze the conditional relationship in the first premise
The phrase 'achieves genuine institutional legitimacy only if its appellate tribunals consistently enforce evidentiary standards' establishes that enforcing evidentiary standards is necessary for legitimacy (Legitimacy → Enforces Standards).
Identifying the formal direction of conditional indicator words ('only if') is critical to evaluating the logical structure.
2
Evaluate the subsequent premise and conclusion
The second premise states that evidentiary standards are now upheld (the necessary condition is satisfied). The author concludes that the system has attained legitimacy.
Determines whether the argument validly affirms the antecedent or invalidly affirms the consequent.
3
Identify the reasoning error
Satisfying a necessary condition does not guarantee the outcome; other unmentioned requirements may still be lacking.
The conclusion commits a conditional reversal / mistaken reversal (confusing necessity with sufficiency).

Key Concept

Conditional Reasoning Flaw (Confusing Necessary and Sufficient Conditions)
Estimated Time:1m 20s
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