Real 10 LSAT book classification

[tzyc]

Hello,
When I was reviewing the book...
I found some of sufficient assumption questions are classified in principle question page, etc.
I wonder whether there is any "rule" that made you to classify like that?? (did not put suff assumption questions to suff assumption pages)
Or just they are actually interchangeable and it's not a problem?
Because all those have P and C are just asked differently but the gap is the same? (though they can have more than one gap...)

Thank you

[ManhattanPrepLSAT1]

You've really made an important connection! Principle questions that ask you to "most justify the reasoning above," are very much like sufficient assumption questions. The reason why we put those questions in the principle category is that you'll notice the question stem includes the term "principle," "proposition," or "generalization." A word that indicates we're dealing with a general rule to be applied to a specific situation.

Additionally, there is a little bit of a difference, though it doesn't ever really play out. The question doesn't actually ask you to prove the conclusion, instead it asks for what "would most justify" the reasoning. Technically, that's a strengthen question, although it does feel much more like a sufficient assumption when you look at how the answer choice relates to the argument's reasoning.

Good question!