LSAT Logic Game Explanation: Birds in the Forest

LSAC loves In-Out Games where all the rules can be connected. It’s not hard to understand why. They require a solid understanding of conditional reasoning and indicator words. Despite the fact that In-Out games with similar rules have been administered several times in the past, people still have trouble with them. I’ve never diagrammed an In-Out game of this […]

Logic Games: Before, After, But Not Both | Part 2

This post will explain the “before, after, but not both” rules of the 2nd game in PrepTest 53 (December 2007). PrepTest 53, Game 2 The game starts off, “A competition is being held to select a design for Yancy College’s new student union building…” The rules I’m about to describe are exactly like the rule I described in the […]

Logic Games: Before, After, But Not Both

This post will explain a more difficult rule of this type in the 4th game of PrepTest 52 (September 2007). PrepTest 52, Game 4 Let’s look at the 4th rule of the 4th game in PrepTest 52. The game starts, “A bread truck makes exactly one delivery…” 4th rule of the game: “Either Malpighi’s delivery is earlier […]

Conditional Sequencing in Logic Games

Starting with PrepTest 51 (December 2006), LSAC threw a twist into sequencing games (a basic type of Logic Game). It added “conditional sequencing” rules. Conditional means “If…then.” This post will explain what I consider the easiest rule of this type. Preptest 51, Game 2 Let’s look at the 4th rule of the 2nd game in PrepTest 51. […]

5 Steps to Solving Weaken Logical Reasoning Questions

What do you do when you see a Weaken Logical Reasoning question, aside from hiding under your bed? Weaken questions don’t have to be tough, although they can seem that way at first. Unless you frequently engage in structured debates, you’re probably used to fixing things and making them better – not breaking them and […]

5 Steps to Solving Strengthen Logical Reasoning Questions

What do you do when you see a Strengthen Logical Reasoning question? Remember that Logical Reasoning makes up half the exam, and Strengthen Logical Reasoning questions are common. Here’s a step-by-step guide to help you solve them. 1. Recognize that it’s a Strengthen question. Some strengthen question stems: “Which one of the following, if true, […]

Necessary Assumption Question: The Rattlesnake Folktale

Let’s look at one of my favorite Logical Reasoning questions: the Rattlesnake Folktale question. It’s PrepTest 30 – December 1999 LSAT, Section 2, Question 22 – page 60 in Next 10. We know this is a necessary assumption question because it says “which one of the following is an assumption the argument requires?” I can’t […]

7 Games To Practice Before Test Day

Pretend you were taken hostage while studying in the library and could only do 7 Logic Games before Test Day. You can squeeze in one each day while your captors watch their daytime soap operas. Which 7 Logic Games would you pick? Which are the most important? This list includes what I consider to be […]

Informal Logic by Douglas Walton | Excerpt

The following excerpt about the correlation-causation fallacy is from Professor Douglas Walton’s Informal Logic: A Pragmatic Approach. A study published in the journal Nature on May 13, 1999, found that babies who slept with a night-light on had an increased chance of developing myopia (nearsightedness) later in life. A subsequent study, co-authored by Professor Karla Zadnik of the […]

Princeton Review LSAT Logic Games Workout – Exposed

Why shouldn’t you use books containing fake (non-LSAC-written) LSAT questions? How is this possible if the questions are fake? The Princeton Review’s new LSAT Logic Games Workout book fails to mention that, in a way, it does use real LSAT questions. In fact, it implies that it doesn’t at the end of the second paragraph on page 1. However, this book […]