Resolve a Contradiction

Historical Context & Motivation

The resolve a contradiction question type has been a staple of the LSAT since the Law School Admission Council began refining its assessment of analytical reading in the 1980s. These questions test a skill that lies at the heart of legal practice: the ability to reconcile seemingly incompatible pieces of evidence or argument. Lawyers routinely encounter situations in which two facts appear to conflict — a contract clause that seems to undermine the purpose of the agreement, a witness whose testimony contradicts physical evidence, or a statute that appears inconsistent with established precedent. The LSAT's resolve a contradiction items measure whether test-takers can identify an additional piece of information that explains away the apparent conflict, demonstrating the kind of nuanced reasoning that law school demands.

The central question these items pose is deceptively straightforward: given two claims that appear mutually exclusive, what additional fact or principle would allow both claims to be simultaneously true? This skill transcends the LSAT itself. In legal reasoning, the ability to resolve apparent contradictions is what separates a competent advocate from a truly incisive one — it is the mechanism by which case law evolves, statutory interpretation proceeds, and factual narratives become coherent. Understanding how to approach these questions systematically will not only elevate your LSAT score but also build a foundation for the kind of reasoning you will employ throughout law school and legal practice.

Core Principles & Definitions

Before diving into strategy, it is essential to establish a precise vocabulary for the logical architecture of these questions. A contradiction in the LSAT context is not a formal logical contradiction in the strict philosophical sense (P ∧ ¬P); rather, it is an apparent paradox — two claims that, given unstated background assumptions, seem difficult to reconcile. The correct answer choice introduces a piece of information that, once integrated into the reasoning, makes the coexistence of both claims perfectly intelligible. Understanding this structure is the key to mastering these questions with consistency.

Visual Explanation — Anatomy of a Contradiction

The diagram above captures the essential logic at work in every resolve-a-contradiction question. Notice that the apparent conflict exists not because the two claims are genuinely incompatible but because a hidden assumption — an unstated premise lurking in the background — makes them seem so. In the example, the hidden assumption is that rising sales volume necessarily entails rising revenue. The correct answer undermines that assumption by introducing a price reduction significant enough to erode revenue despite higher unit sales. This is the pattern you will see repeated across every iteration of this question type: the bridge answer always targets the hidden assumption, never the claims themselves.

The Logical Mechanism — How Contradictions Arise and Dissolve

To understand why resolve-a-contradiction questions work the way they do, it helps to formalize the logical structure. Every apparent paradox on the LSAT can be modeled as a three-part structure: two accepted propositions and an implicit conditional that makes them seem incompatible. When the correct answer choice is introduced, it functions as a defeater for the implicit conditional, thereby dissolving the perceived tension. This is not unlike the concept of a rebutting or undercutting defeater in epistemology — the new information does not deny either proposition but rather removes the inferential link that made them seem contradictory.

Formal Structure of an LSAT Apparent Paradox

This formalization clarifies an important strategic point: the correct answer never challenges the truth of either claim. It operates exclusively at the level of the implicit conditional. This is why test-takers who approach these questions by trying to weaken one of the claims consistently select wrong answers. The discipline of accepting both claims as given and searching for the hidden link between them is the single most important mental habit for this question type.

Common Categories of Hidden Assumptions

• Scope confusion: The assumption that what is true of a whole is true of its parts, or vice versa. Resolution often involves showing that the two claims apply to different subgroups or time periods.
• Causal oversimplification: The assumption that a single factor determines the outcome. Resolution introduces a confounding variable or an intervening mechanism.
• Definitional ambiguity: The assumption that a key term means the same thing in both claims. Resolution reveals that the term is being used in two different senses.
• Proportional reasoning error: The assumption that a rate or percentage translates directly into an absolute quantity. Resolution clarifies the base rate or denominator.

Recognizing and Classifying Resolve-a-Contradiction Stems

Before you can apply the resolution strategy, you must first recognize when a question is asking you to resolve a contradiction. The LSAT uses a range of question stem formulations, and not all of them contain the word "contradiction" or "paradox." Developing fluency with these stems ensures you activate the correct reasoning framework immediately, saving precious time on test day. Below is a classification of the most common stem variations, organized by their degree of explicitness.

Worked Example — Step-by-Step Resolution

Taxonomy of Wrong Answer Choices

Understanding why wrong answers are wrong is just as important as understanding why the correct answer is right. The LSAT systematically constructs incorrect choices to exploit predictable reasoning errors. By developing a taxonomy of these traps, you can rapidly eliminate tempting but flawed options and maintain accuracy under time pressure. The table below categorizes the five most common wrong-answer archetypes for resolve-a-contradiction questions, along with the cognitive error each exploits.

Connections to Related Question Types & Advanced Applications

Resolve-a-contradiction questions share structural DNA with several other LSAT question types, and understanding these relationships deepens your command of the test as a whole. The skill of identifying hidden assumptions, for instance, is central to both necessary assumption and sufficient assumption questions. Similarly, the ability to evaluate how new information affects an argument's coherence connects directly to strengthen and weaken questions. The table below maps these relationships explicitly.

At a more advanced level, resolve-a-contradiction questions in the Reading Comprehension section (as opposed to Logical Reasoning) add an additional layer of complexity. In Reading Comprehension, the contradiction may be embedded within a longer passage, requiring you to synthesize information across multiple paragraphs. The two conflicting claims may be presented by different authors in a comparative reading set, or they may emerge from the tension between empirical data and a theoretical framework described in the passage. In these contexts, the correct answer is typically drawn from information already present in the passage rather than introduced as a hypothetical — making close reading and passage mapping even more critical. The fundamental logic, however, remains identical: accept both claims, find the hidden assumption, and identify the information that neutralizes it.

Practice Problems

Lesson Summary