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Zorluk: OrtaNecessary vs. Sufficient Condition Flaws

Financial Analyst: A technology startup can achieve long-term profitability only if it develops a diversified product portfolio. Vertex Innovations has recently expanded its offerings to include hardware, software, and consulting services, thereby successfully developing a diversified product portfolio. Thus, Vertex Innovations is guaranteed to achieve long-term profitability.

Which of the following most accurately describes a flaw in the financial analyst's reasoning?

  1. It treats a condition that is required for a startup to achieve long-term profitability as if it were enough to ensure that profitability.Cevap
  2. B
    It assumes that a condition that is sufficient to guarantee long-term profitability is also necessary for such profitability.
  3. C
    It relies on a subtle shift in the meaning of the term 'diversified' between the premises and the conclusion.
  4. D
    It draws a conclusion about the overall profitability of a company based on the success of its individual product lines.
  5. E
    It concludes that a causal relationship exists between product diversification and profitability merely because the two are often correlated.

Cevap

The correct answer is the option stating that the argument treats a condition that is required for profitability as if it were enough to ensure profitability.
The argument states that profitability requires a diversified portfolio (Profitability -> Diversified Portfolio). It then establishes that Vertex has a diversified portfolio, and concludes that Vertex will definitely be profitable. This is a classic illegal reversal: the author assumes that because the necessary condition was met, the sufficient condition must inevitably follow.

Adım Adım Çözüm

1
Identify the argument's core premises and main conclusion.
Premise: Profitability requires a diversified portfolio. Premise: Vertex has a diversified portfolio. Conclusion: Vertex is guaranteed to achieve profitability.
Deconstructing the argument is the necessary first step to analyzing its logical structure.
2
Analyze the conditional logic established in the first premise.
The phrase 'only if' indicates that a diversified product portfolio is a necessary requirement for long-term profitability, not a guarantee (sufficient condition).
Correctly translating conditional indicators like 'only if' is crucial for evaluating logical validity.
3
Compare the evidence provided to the conclusion drawn.
The analyst concludes that Vertex will definitely be profitable just because it satisfied a single necessary requirement.
This step reveals the logical gap between the evidence (meeting a requirement) and the claim made (guaranteed success).
4
Identify the abstract logical flaw.
The argument commits an illegal reversal by treating a necessary condition as if it were a sufficient condition.
Matching the specific error in the stimulus to a general logical flaw type allows you to select the correct answer choice.

Anahtar Kavram

Illegal Reversal (Confusing Necessary and Sufficient Conditions)
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