Sufficient & Necessary Questions - - Question 1

People who are red/green color-blind cannot distinguish between green and brown. Gerald cannot distinguish between gr...

AndrewArabie July 6, 2022

When can I move on?

I am getting most of the answers right now but I still have major issues. 1. There are some clauses I don't understand how can be classified as they are (sufficient or necessary). Q 27 is a perfect example. 2. I feel like I am memorizing some of the answers because I can't shuffle the questions or see new ones. 3. I see "answer anticipation" as a section to help answer questions but I haven't come across the lesson on how to anticipate answers yet. 4. The lesson I learned from the flashcards is not translating well onto these real questions.

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Emil-Kunkin July 9, 2022

Hi AndrewArabie,

Any statement that guarantees something must or cannot happen could be considered a suff/necc statement. Looking at 27, we are told that RG color blindness guarantees that one cannot distinguish between green and brown. While it is not essential to diagram every conditional statement, it is useful to be able to spot when a statement sets out a category that must have some traint, or establishes a trait that a category must have.

You can find additional questions under the analytics tab, if you click on a question type it should take you to an "adaptive learning" section.

While I don't think we have any formal lessons on anticipating answers, this is something you can do for almost every question. Once you read the question stem and know what sort of answer choices we want, and what would make them correct, you can begin to strategize what some possible correct answers might be, especially for questions like error in reasoning, or must be true. I would recommend office hours for this, some of the tutors who do them are very explicit in how they think through anticipation.

The flashcards are a tool meant to help build a formal understanding of conditional statements, and I'm sorry to hear that you are not finding them particularly helpful. While I think the theory is useful, actually doing real LR questions is your best bet.

AndrewArabie September 4, 2022

Thank you, Emil!