57 LR Two Question 15
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Comments

Permalink Submitted by mkhidoya on Sep 10 2016
Could you please lead me through your logic on how did you arrive to realization that this is sufficiency v. necessity. I had a very hard time coming to it.

Permalink Submitted by majorgeneraldave on Sep 12 2016
Premise: If they do have symptoms, it's acceptable to offer experimental treatment (so symptoms are sufficient to offer experimental treatment).
Conclusion: If they don't have symptoms, it's unacceptable to offer experimental treatment (so symptoms are necessary to offer experimental treatment).