Reasonable people adapt themselves to the world; unreasonable people persist in trying to adapt the world to themselv...

smcavoy July 17, 2018

Not showing the question stem

Hi there! On this question there is no question stem shown, at least on the iPad app. Thanks!

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Mehran July 18, 2018

@smcavoy we are seeing the question stem on the iPad app.

Can you please contact support so we can troubleshoot this issue for you?

Either tap "Support" from the left menu or call us at 855.483.7862 ext. 2 Monday-Friday from 9am-6pm PT.

niki-dowlatshahi September 28, 2018

OK, the difference between answer choice b and c are not explained cohesively. Can you pls. explain it better as to what the difference between the two actually is.

Mehran October 3, 2018

@niki-dowlatshahi let's take a closer look. The key here is the last sentence:

"Therefore, all progress depends on unreasonable people."

"Depends" introduces a necessary condition so we would diagram as follows:

P ==> UP
not UP ==> not P

Now let's compare (B) and (C).

(B) If there are only reasonable people, there cannot be progress.

not UP ==> not P

Notice "only reasonable people" means not unreasonable people (i.e. not UP).

This is the contrapositive of the conclusion in the stimulus so (B) must be true and (B) is the correct answer.

(C) If there are unreasonable people, there will be progress.

UP ==> P

Notice that (C) is actually a reversal of the conclusion and we know that you DON'T JUST REVERSE! So (C) is not necessarily true and (C) would be eliminated.

Hope that helps! Please let us know if you have any other questions.