Identify the
Principle

Master the art of extracting general rules from specific scenarios: one of the most powerful skills in LSAT Logical Reasoning.

LSAT Logical Reasoning

What Is a Principle?

In LSAT Logical Reasoning, a principle is a broad, general rule that explains or justifies the reasoning in a specific situation. Think of it as the underlying law that makes the argument work.

Specific Case

"Maya should not eat the cake because it belongs to someone else."

General Principle

"One should not take what belongs to another person without permission."

Recognizing the Question Stem

"Identify the Principle" questions use distinctive language in the question stem. Learning to spot this language instantly saves valuable time on test day.

1

"Which one of the following principles..." is most clearly illustrated by the situation above?

2

"The situation above most closely conforms to..." which one of the following propositions?

3

"Which one of the following generalizations..." is best illustrated by the argument above?

Two Directions of Principle Questions

Principle questions on the LSAT operate in two directions. Knowing which direction you face is critical for choosing the right answer.

The Core Rule

Anatomy of the Stimulus

Every "Identify the Principle" stimulus has two key components. Separating them is the first step to finding the right answer.

1. Evidence

The facts, observations, or circumstances described in the passage. These are the specific details of the scenario.

2. Conclusion

The judgment, recommendation, or claim the author makes based on the evidence. This is what needs justification.

Identify vs. Strengthen vs. Justify

These three question types may seem similar, but they ask fundamentally different things. Confusing them is one of the most common errors.

	Identify Principle	Strengthen	Justify (Sufficient)
Task	Find the general rule	Add new evidence	Make conclusion certain
Answer Scope	General / abstract	Specific / factual	Sufficient assumption
Adds New Info?	No	Yes	Yes
Must Be General?	Yes	No	Not necessarily

The 5-Step Method

1

Read the question stem first. Confirm it is an "Identify the Principle" question by spotting key language.

2

Find the conclusion. What judgment, recommendation, or claim does the author make?

3

Identify the evidence. What specific facts or reasons support the conclusion?

4

Abstract the relationship. Strip away names and details: "If [type of evidence], then [type of conclusion]."

5

Match to the answer choices. The correct answer captures the same logical relationship in general terms.

Worked Example: The Painter

Evidence

The mural is technically proficient (bold colors) but does not communicate emotion.

Conclusion

It fails as art.

Evaluating Answer Choices

Let us test four candidate answers against our abstracted principle:

A

"Art that communicates emotion is always successful." Too strong: reverses the logic.

B

"Technical skill is a necessary but not sufficient condition for artistic success." Close, but the stimulus says emotion is necessary, not skill.

C

"A work of art cannot be considered successful unless it communicates meaningful emotion." ✓ Matches perfectly.

D

"Bold colors are irrelevant to the quality of a mural." Too specific: names a particular technique.

Worked Example: The Committee

Evidence

The council made a decision impacting residents without consulting them.

Conclusion

The council should not have approved the change.

Harder Example: The Researcher

This is trickier because the principle involves a conflict between obligations: loyalty to a funder versus duty to scientific integrity.

The Abstraction Technique

The key skill is translating specific details into general categories. Practice this translation with every stimulus you read.

Common Mistakes

✕ Too Specific

Choosing an answer that restates the stimulus using the same names or details instead of generalizing.

✕ Too Broad

Choosing a principle so sweeping that it goes far beyond what the stimulus actually argues.

✕ Reversed Logic

Confusing necessary and sufficient conditions: the stimulus says "A requires B," but the answer says "B requires A."

Quick Reference Summary

Element	What to Do	What to Avoid
Question Stem	Look for "principle," "proposition," "generalization"	Confusing with "strengthen" or "assumption"
Stimulus	Separate evidence from conclusion	Reading passively without structure
Abstraction	Replace specifics with categories	Keeping names and details in your prephrase
Answer Choice	Must be general and match the logical structure	Too specific, too broad, or reversed logic
Verification	Check: does this principle cover the stimulus case?	Picking the first "sounds good" answer

Question 1 of 5

A local bookstore decided to stop selling a popular novel after several customers complained that it contained offensive language. The bookstore owner explained that businesses that serve the public have a responsibility to be responsive to community standards, even if it means forgoing some revenue.

▼ Tap to read passage

Which one of the following principles is best illustrated by the bookstore owner's reasoning?

The owner's reasoning connects serving the public (evidence) with responsiveness to community standards over revenue (conclusion). Answer (B) captures this as a general principle. (A) is too absolute, (C) is too specific, and (D) discusses quality rather than community standards.

Question 2 of 5

Although the new highway bypass would reduce commute times for thousands of daily commuters, it should not be built because it would destroy the habitat of an endangered species of wetland bird. The long-term preservation of biodiversity is more important than short-term convenience.

▼ Tap to read passage

The argument above most closely conforms to which one of the following principles?

The stimulus weighs biodiversity against convenience and concludes preservation wins. (C) generalizes this exactly. (A) addresses process, not outcome. (B) is too absolute ("any form"). (D) is a specific recommendation, not a general principle.

Question 3 of 5

Speaker A: The school board should adopt the new math curriculum because it has been shown to improve standardized test scores in pilot programs.

Speaker B: Test scores alone do not demonstrate genuine learning. The board should evaluate the curriculum based on whether students develop deeper problem-solving abilities, not just their performance on standardized assessments.

▼ Tap to read passage

Speaker B's response is best explained by which one of the following principles?

Speaker B argues that deeper understanding matters more than test scores alone. (A) captures this as a general educational principle. (B) says "never," which is too extreme: B does not deny tests have any value. (C) attacks pilot programs, which is not B's point. (D) is too narrow.

Question 4 of 5

A journalist discovered that a prominent politician had accepted undisclosed gifts from a lobbying group. Even though publishing the story might damage the politician's reputation unfairly before all the facts were known, the journalist decided to publish immediately, arguing that the public's right to be informed about potential conflicts of interest outweighs any individual's right to avoid premature scrutiny.

▼ Tap to read passage

Which one of the following principles is most clearly illustrated by the journalist's decision?

The journalist weighs public transparency about conflicts of interest against premature reputational harm, and chooses transparency. (D) matches this structure precisely. (A) is too broad ("any story"). (B) makes a moral judgment not present in the stimulus. (C) says "never," which is far more extreme than the argument.

Question 5 of 5

A museum curator refused to display a donated painting by a self-taught artist, despite its popularity with visitors, on the grounds that the museum's collection should reflect works that demonstrate mastery of formal artistic techniques. The curator argued that including the painting would dilute the museum's educational mission, which centers on illustrating the development of trained artistic skill.

▼ Tap to read passage

The curator's reasoning most closely conforms to which one of the following propositions?

The curator prioritizes the museum's educational mission (formal technique) over popular appeal (visitor popularity). (B) captures this as a general principle about institutional decision-making. (A) attacks the artist, which the curator does not do. (C) is too restrictive: the curator's reasoning is about this museum's mission, not all museums forever. (D) is too absolute: the curator does not say popularity is irrelevant to art's value, only to this museum's curation choices.

Identify thePrinciple

What Is a Principle?

Recognizing the Question Stem

Two Directions of Principle Questions

The Core Rule

Anatomy of the Stimulus

Identify vs. Strengthen vs. Justify

The 5-Step Method

Worked Example: The Painter

Evaluating Answer Choices

Worked Example: The Committee

Harder Example: The Researcher

The Abstraction Technique

Common Mistakes

Quick Reference Summary

Question 1 of 5

Question 2 of 5

Question 3 of 5

Question 4 of 5

Question 5 of 5

Identify the
Principle