Lessons

Relationships

Arguments are Relationships

Premise and Conclusion

Definition of Support

Example Argument - Tigers

Order Doesn't Matter

Skill Builder Arguments

Example Argument - Disney Vacation Club

Example Argument - The Toppled Trash Bin

Not all arguments are equally strong

The spectrum of support

Assumptions - Tigers Argument

Not all assumptions are equally reasonable

The spectrum of reasonableness

Assumptions - Trash Bin Argument

Assumptions - Disney Argument

Assumptions are subtle

Three methods to identify premises and conclusions

Skill Builder Premise and Conclusion 1

Skill Builder Premise and Conclusion 2

Skill Builder Premise and Conclusion 3

Complex arguments: sub-conclusions and major premises

Skill Builder Complex Arguments

For, since, because

Skill Builder For, since, because

Skill Builder Context

Concession

Concession indicators

Skill Builder Concession

Summary

You Try Productivity of a Business

12 min

You Try Warm Sea on Europa

Checkpoint - How are we doing?

1 min

Grammar

Back to basics? You’d be surprised. Language on the LSAT can be complex and confusing. Brush up on your grammar skills to decipher LSAT language like a pro.

Grammar is Underrated

Subject and Predicate

Object

Modifiers in the Subject

Modifiers in the Predicate

Modifiers Create Complexity

Modifiers: Structure v. Detail

Skill Builder Subject, Predicate, Modifiers

Modifiers "That" and "Who"

Modifiers can be Modified

Skill Builder Referentials 1

Skill Builder Modifiers

Negative Referential

Skill Builder Referentials 2

You Try Motivational Posters

11 min

One Subject and Two Predicates

One Predicate and Two Subjects

Linking Clauses

“That” as Object Clause

Skill Builder Object Clause

Clarity v. Economy of Expression

The Art of Translating

Comparatives

Comparative - Three Step Process

Complication: Referentials

Complication: Linked Clauses

Complication: Modifiers

Complication: Abstractions

Complication: Everything

Comparatives: Round 2

Negative Comparatives

Implied Comparatives

Comparative - Relative v. Absolute

Comparative Language is Versatile

Skill Builder Comparatives 1

Skill Builder Comparatives 2

Skill Builder Comparatives 3

Skill Builder Comparatives 4

You Try Are People Noticing You?

The Rhetorical Question

Summary

Law School Admissions Overview

Conditional and Set Logic

A solid foundation in LSAT logic starts here. Learn to recognize sufficiency and necessity, take contrapositives, and reach valid conclusions from conditional and set relationships.

The Logic of an Argument

Sets, Supersets, Subsets, and Membership

Sufficiency and Necessity

Sufficiency and Necessity are Relationships

The Conditional Argument - Formal Argument #1

Translating to Lawgic - Formal Argument #1

The Contrapositive Argument - Formal Argument #2

The Contrapositive Argument - Andersen v. King County (2006)

Too Many Expressions in English

Conditional (Sufficiency and Necessity) Indicators

Group 1 - Sufficient Condition Indicators

Skill Builder Group 1 Translations

Group 2 - Necessary Condition Indicators

9 min

Skill Builder Group 2 Translations 1

Skill Builder Group 2 Translations 2

Skill Builder Group 2 Translations 3

Skill Builder Group 2 Translations 4

Group 3 - Negate Sufficient

Group 3 - “Or”

Skill Builder Group 3 Translations

Group 4 - Negate Necessary

Skill Builder Group 4 Translations

4 Groups of Conditional Indicators Summary

Chaining Conditionals - Formal Argument #3

Skill Builder Chaining Conditionals

Three Formal Arguments Combined

12 min

Formal Arguments #1 - #3 Review

You Try Inspired Musical Performances

16 min

Skill Builder Draw Valid Conclusions 1

Conditionals without Indicators

9 min

Conjunction (and)

Other Conjunction Indicators

Disjunction (or)

Negating Conjunction and Disjunction - De Morgan's Laws

Skill Builder Conjunction, Disjunction, and De Morgan's

Kick Up Conditional Conclusions

Kick it Up to the Domain

9 min

Skill Builder Kick it Up to the Domain

Embedded Conditionals

Rules and Exceptions

Skill Builder Rules and Exceptions (Embedded Conditionals)

Bi-Conditionals

Skill Builder Drawing Valid Conclusions 2

You Try Buying an Expensive Antique

14 min

Motivation Break꞉ Brad Carney

Logic of Intersecting Sets

Expand your understanding of LSAT logic, and deal with uncertain quantifiers in more certain terms, with the logic of intersecting sets.

Intersecting Sets

Ambiguity and Boundaries

Quantifier “Some”

“Some” Can Exclude “All”

Translating “Some” to Lawgic

Quantifier “Most”

Translating “Most” to Lawgic

Quantifier “All”

No Contrapositives for “Some” and “Most”

Quantifier “Overwhelming Majority”

Quantifier Inferences

Applications of Quantifier Inferences

Skill Builder Quantifier Translations

Negating “All” Statements

Negating Conditional Statements

Negating “Some” Statements

Negating “Most” Statements

Skill Builder Negation 1

Skill Builder Negation 2

Skill Builder Negation 3

Intersection Relationships Summary

Some Before All - Formal Argument #4

Most Before All - Formal Argument #5

Two Split Mosts - Formal Argument #6

Other Formal Arguments

Valid Formal Arguments Review

Skill Builder Drawing Valid Conclusions 3

Skill Builder Drawing Valid Conclusions 4

You Try The Spring Cleanup

12 min

Checkpoint - We'd love more feedback!

1 min

Formal Logic Flaws

Learn to recognize these classic flaws in logical reasoning. Not only will you do better on the LSAT, but you’ll be forever picking apart the invalid reasoning of your relatives’ arguments. Guaranteed to make you a hit at Thanksgiving.

Formal Logic Flaws

Confusing Sufficiency for Necessity

Denying the Sufficient Condition

Affirming the Necessary Condition

Most Statements are Not Reversible

All Before Most