Sufficient or Necessary Assumption?

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catsparka

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Sufficient or Necessary Assumption?

Postby catsparka » Wed Oct 06, 2010 8:24 pm

Just ran across a question stem that asks, "Which one of the following is an assumption the argument requires in order for its conclusion to be properly drawn?"

Is this a necessary assumption or a sufficient assumption ("Justify the Conclusion") question?

Even though in this question, the distinction doesn't really matter (there's only one feasible answer choice either way), I just wanted to clarify in case there are situations where the distinction between the two would be the key to determining which is correct among two choices.

Thanks!

dakatz

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Re: Sufficient or Necessary Assumption?

Postby dakatz » Wed Oct 06, 2010 8:29 pm

"Requires" is an indicator of a necessary assumption. Words like "depends" and "requires" always indicate necessary.

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catsparka

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Re: Sufficient or Necessary Assumption?

Postby catsparka » Wed Oct 06, 2010 8:32 pm

dakatz wrote:"Requires" is an indicator of a necessary assumption. Words like "depends" and "requires" always indicate necessary.


Okay, thanks! :D

wjun15

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Re: Sufficient or Necessary Assumption?

Postby wjun15 » Wed Oct 06, 2010 8:37 pm

justify the conclusion i believe, correct?



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