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Difficulty: MediumIdentifying Necessary Assumptions

Consider the following argument:

Tech Analyst: Working in the office clearly makes InnovateCorp's employees more productive than working remotely. After all, the company's overall productivity increased by 15% last year, which is the exact same year they abandoned their fully remote policy and mandated that all employees work from the office four days a week.

Statement: To logically draw this conclusion, the analyst must assume that InnovateCorp did not also deploy a highly efficient new workflow software last year that drastically reduced the time required to complete routine tasks.

Answer: Answer

Answer

True
The statement is True. The argument makes a causal claim based entirely on a simultaneous occurrence. For this claim to be logically valid, alternative causes for the productivity increase must be ruled out. Applying the Negation Technique proves this: if the company DID deploy the new efficiency software, that alternative cause would perfectly explain the productivity increase and destroy the analyst's conclusion. Therefore, assuming the software was NOT deployed is a strictly necessary assumption.

Step-by-Step Solution

1
Identify the main conclusion and the supporting premises.
Conclusion: Working in the office makes employees more productive. Premise: Productivity increased by 15% during the same year the company mandated returning to the office.
Understanding the exact boundaries of the argument's claim is required before evaluating assumptions.
2
Recognize the underlying method of reasoning.
The argument uses a temporal correlation (office mandate + productivity increase happening at the same time) to assert a definitive causal relationship.
Identifying causal reasoning highlights potential vulnerabilities in the argument, such as unstated alternative causes.
3
Apply the Negation Technique to the provided statement.
Negated statement: InnovateCorp DID deploy a highly efficient new workflow software last year that drastically reduced the time required to complete routine tasks.
The Negation Test is the definitive, foolproof method for proving if an assumption is strictly necessary to an argument.
4
Evaluate the impact of the negated statement on the argument's conclusion.
If the efficiency software was deployed, it provides an alternative explanation for the 15% productivity increase, completely severing the assumed link between the office mandate and the productivity boost. Thus, assuming it did NOT happen is necessary.
If negating a statement destroys the validity of the argument, the original statement is a logically necessary assumption.

Key Concept

Defender Assumptions and the Negation Technique in Causal Arguments
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Topics

Identifying Necessary Assumptions

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