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June 2007, Logical Reasoning 2, Question 25


Carl Pyrdum
Lesson by Carl Pyrdum
Magoosh Expert

Summary
The content focuses on tackling flaw questions in the LSAT, specifically identifying and understanding the error in an argument's reasoning.
  • Flaw questions require recognizing the argument's conclusion and evidence, and how the evidence fails to prove the conclusion.
  • The example provided illustrates a common flaw: confusing necessity with sufficiency in arguments.
  • Understanding the argument involves tracing back to its initial claim and examining the evidence presented against it.
  • Formal logic can help visualize the flaw by distinguishing between claims of necessity and sufficiency.
  • The correct answer choice pinpoints the flaw as confusing sufficiency with necessity, while other options are dismissed for various reasons.
Chapters
00:00
Understanding Flaw Questions
00:33
Identifying the Argument and Its Flaw
01:01
Dissecting the Flaw: Necessity vs. Sufficiency
01:55
Analyzing and Choosing the Correct Answer