Daily Drills 9 - Section 9 - Question 4

P: X → BP: not A → not BP: ?C: not D → A

austinsheehy July 19, 2016

I do not get it

I don't even understand what this question means

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Mehran August 7, 2016

@austinsheehy this question is asking you to supply the missing premise that will enable the conclusion here to follow logically (i.e. or be properly drawn).

So these drills are effectively abstract Strengthen with Sufficient Premise questions.

For a more in-depth discussion of these concepts, please watch our video lesson on Sufficient & Necessary as well as our video lesson on Strengthen questions.