"If the forest continues to disappear at its present pace, the koala will approach extinction," said the biologist. "...

bfirm4 August 12, 2019

don't get how B applies to the biologist

I still don't get how B applies to the argument made by the biologist if she/he was saying that not KAE--> not FCD? How can you deduce that answer choice B would still apply to this conditional statement

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bfirm4 August 19, 2019

updates?

Ravi August 21, 2019

@bfirm4,

Let's look at (B).

(B) says, "Deforestation is stopped and the koala becomes extinct."

(B) affirms the sufficient condition of the politician's claim while
also denying the necessary condition, so it has to be false. It can
still be true according to the biologist, so (B) is the correct answer
choice since it is consistent with the biologist's claim but not with
the politician's claim.

Does this make sense? Let us know if you have any other questions!