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on June 24 at 10:53PM

Sufficient and Necessary Drills

I am struggling and need help with some of the sufficient and necessary missing premise drills & argument completion drills. Where can I ask questions and get help on understanding how to walk through a few of these?

6 Replies

on June 24 at 11:01PM

Also, what is the difference between these two drills? Most of the questions are the same?

on June 26 at 05:32AM

To elaborate this question further - I have since noticed that the drills for S&N are the same when I access them on my computer but are different when I access them via a phone for some reason.

I am having more success with the missing premise drills, but am unable to complete any of the argument completion drills. Though I know the concept is similar, I cannot seem to make the leap between the knowledge from the S&N lecture/questions/etc. and these drills - and have been unable to find any threads with explanations to a question going over a problem with one of these. Any help would be much appreciated!

Ravi on June 26 at 05:23PM

@hales,

Feel free to ask questions on this message board, and one of us will
be happy to go over the problem with you.

The difference between missing premise and argument completion drills
is that the scope of the drills is different. With missing premise
drills, you're filling in a premise. With argument completion drills,
you're looking to complete the argument, and maybe you're adding a
conclusion or a premise. In other words, argument completion drills
generally can encompass more than missing premise drills.

Regarding the difference between the questions on your computer vs. on
your phone, I would contact our support staff by
tapping "support" from the left menu or by calling 855.483.7862 ext. 2
Monday-Friday 9am-6pm PT.

For the questions you're having problems on, feel free to make your
own threads detailing your problem, and we'll be happy to help.

Let us know if you have any other questions!

Allie on June 27 at 04:51PM

I also do not understand these. I can't figure out how you're finding the missing premise. Further clarification would be helpful. It is difficult to know based on how the questions are laid out.

Also, I have also noticed that the missing premise and argument completion drills are the same?

Ravi on June 27 at 09:31PM

@aborg, have you had a chance to read my reply to @hales? If you have and you still have questions, feel free to let us know. In particular, having questions on specific examples would be really helpful, and we can take a look at them.

on June 28 at 08:13PM

@Ravi, thanks for the help I appreciate it. On the argument completion questions I still am having trouble identifying how to solve them correctly/what approach to take in doing so.

Here's an example:

P: A - >X

P: X exists

P: X - > B

C: ?

Thanks, appreciate it.