Difference Between Necessary & Sufficient Assumption Questions

Both Necessary Assumption and Sufficient Assumption questions contain the word “assumption” within the question stem. However, they ask for very different things. (Also see Sufficient Assumption Questions and the Negation Test.) This is why it’s misleading (and often confusing) to simply refer to both types under the catch-all category of “Assumption” questions.   Others refer […]

Formal vs. Informal Logic in LSAT Logical Reasoning

As we saw in my interview with Dr. Deborah Bennett (author of Logic Made Easy), both formal and informal logic are necessary in everyday life. Here are some examples of both formal and informal logic for those of you who haven’t had a chance to get your hands on a copy of Logic Made Easy yet. Formal logicFormal […]