"Either you run the day or the day runs you."–Jim Rohn

bdeleon30 September 8, 2017

Question 2

If you have to pick a variable why can't C also be true

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Mehran September 15, 2017

@bdeleon30 by selecting (C) you would be mistaking sufficient for necessary.

Remember, DON'T JUST REVERSE!

This sentence is diagrammed as follows:

not RTD ==> DRY
not DRY ==> RTD

Hope that helps! Please watch our video lesson on Sufficient & Necessary Conditions for a more in-depth discussion of these concepts.