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Zorluk: Çok zorNecessary vs. Sufficient Condition Flaws

Below are five distinct argument excerpts. Which of the following arguments exhibit reasoning that is flawed specifically because it confuses a necessary condition for a sufficient one, or mistakes a sufficient condition for a necessary one? Select all that apply.

  1. Any viable alternative to fossil fuels must be both economically scalable and environmentally benign. Because the proposed geothermal expansion project is highly economically scalable and completely benign to the local environment, it is guaranteed to be a viable alternative to fossil fuels.Cevap
  2. B
    A piece of legislation will not pass the general assembly unless it garners unanimous bipartisan support in the committee phase. The controversial tax reform bill was recently passed by the general assembly, which proves conclusively that it garnered unanimous bipartisan support in the committee phase.
  3. If a regulatory framework imposes stringent reporting requirements on small businesses, economic innovation in that sector is inevitably stifled. The newly proposed municipal framework explicitly exempts small businesses from any stringent reporting requirements. Therefore, implementing this proposed framework will not stifle economic innovation.Cevap
  4. D
    Extensive sociological studies consistently demonstrate that individuals who report high levels of daily stress also report poor sleep quality. From this, we can deduce that reducing an individual's daily stress levels will directly result in an improvement in their sleep quality.
  5. E
    Over the last decade, the percentage of the municipal budget allocated to infrastructure maintenance has steadily decreased year over year. Consequently, the actual dollar amount spent by the municipality on infrastructure maintenance must be significantly lower today than it was ten years ago.

Cevap

The arguments regarding the geothermal expansion project and the proposed municipal regulatory framework both commit conditional logic flaws.
The correct selections both demonstrate classic conditional reasoning flaws. The geothermal expansion argument commits an illegal reversal by assuming that meeting all the necessary requirements for a viable energy alternative is enough to guarantee viability. The regulatory framework argument commits an illegal negation by assuming that avoiding one specific sufficient cause of stifled innovation guarantees that innovation will not be stifled, ignoring other potential causes.

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1
Analyze the question stem to determine the exact type of logical flaw being requested.
The stem explicitly asks for arguments that confuse necessary and sufficient conditions, which includes illegal reversals and illegal negations.
Identifying the target flaw is essential before evaluating the options.
2
Evaluate the geothermal expansion argument for conditional logic flaws.
The argument translates to: 'Viable -> Scalable AND Benign'. It then states 'Scalable AND Benign' and concludes 'Viable'. This is an illegal reversal.
This matches the target flaw by treating necessary conditions as sufficient.
3
Evaluate the legislation argument for conditional logic flaws.
The argument translates to: 'Pass -> Unanimous Support'. It then states 'Passed' and concludes 'Unanimous Support'. This is valid reasoning (Modus Ponens).
A valid argument cannot be the correct answer when asked to identify a flaw.
4
Evaluate the regulatory framework argument for conditional logic flaws.
The argument translates to: 'Stringent Requirements -> Innovation Stifled'. It then states 'NOT Stringent Requirements' and concludes 'NOT Innovation Stifled'. This is an illegal negation.
This matches the target flaw by treating a sufficient condition as a necessary one.
5
Evaluate the remaining arguments to ensure they do not contain the target flaw.
The stress/sleep argument mistakes correlation for causation. The budget argument confuses percentages with absolute numbers. Neither involves a necessary vs. sufficient conditional flaw.
We must verify that no other options fit the criteria to confirm our final selections.

Anahtar Kavram

Necessary vs. Sufficient Condition Flaws (Illegal Reversal and Illegal Negation)
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Necessary vs. Sufficient Condition Flaws

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