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Modules

LR Introduction

Lessons

• Introduction To Logical Reasoning
• LR Question Structure
• LR Keys To Remember

LR - Arguments Introduction

Lessons

• Arguments Are Critical
• Arguments – Definition
• The Hierarchy of An Argument
• How To Identify Conclusions – Indicator Words
• How To Identify Conclusions – Intuition
• How To Identify Conclusions – The “Therefore” Test
• Subsidiary Conclusions
• Mega Quiz: Identifying Conclusions on Actual LSAT Questions

Deductive Logic For The LR Section

Lessons

• Deductive vs. Inductive Arguments
• Conditional Statements
• What Conditional Rules Tell You Free Preview
• Diagramming Conditional Rules
• Basic Triggers – Modus Ponens
• Basic Triggers – Modus Tollens
• Inferences with Negative Conditions
• Contrapositives
• Linking Conditional Rules (The Chain Rule)
• Recognizing and Diagramming Conditional Statements
• Arguments In Natural Language
• Advanced Triggers – Universal Modus Ponens and Universal Modus Tollens
• Universal Modus Ponens and Modus Tollens Examples
• Complex Conditionals – Adding “And” & “Or”
• Quiz – Deductions (Inferences) with Multiple Steps
• Valid vs. Invalid Inferences with Conditional Statements
• Problems with Deductive Logic – Set 1
• Universal Quantifiers vs. Other Quantifiers
• Existential Quantifiers (“Some” Statements)
• Recognizing “Some” Statements
• Inferences with “Some” Statements
• “Most” Statements
• “Not All”/”Some Are Not” Statements
• “None” Statements
• Combination Inferences
• Step-Down Inferences
• Logical Opposites
• Quantifiers within Conditional Statements?
• Negating Conditions with Logical Opposites
• Negating Conditions with Logical Opposites – Quiz
• More On Triggers – Falsification By Contradiction
• Disjunctions
• Problems with Deductive Logic – Set 2

Inductive Reasoning

Lessons

• Introduction To Inductive Reasoning
• Making Effective Inductive Arguments
• Stronger and Weaker Inductive Arguments
• Samples, Studies, and Surveys: Forms of Inductive Reasoning – Part I
• Forms of Inductive Reasoning – Part II
• Forms of Inductive Reasoning – Part III
• Analogies and Other Informal Arguments

Cause and Effect

Lessons

• Cause and Effect (Abductive Reasoning) Introduction
• The Cause and Effect Relationship
• Proving Causal Arguments?
• Weakening and Strengthening Causal Arguments
• Weakening Causal Arguments – Problems and Explanations
• Strengthening Causal Arguments – Problems and Explanations

Flawed Reasoning

Lessons

• Flawed Reasoning – Introduction
• The All-Important Flaw Maxim
• Flawed Reasoning – Common Flaw Patterns Part I
• Flawed Reasoning – Common Flaw Patterns Part II
• Flawed Reasoning – Common Flaw Patterns Part III

LR by Question Type

Lessons

• Necessary Assumption Questions
• LR Cheat Sheet
• Main Point Questions
• Main Point – Examples and Explanations
• Must Be True Questions – Introduction
• Must Be True – Critical Skills
• Must Be True Questions Practice – Applying Logical Rules To Premises
• Must Be True – Numbers and More
• Must Be True – Examples and Explanations
• Sufficient Assumption Questions
• Sufficient Assumption – Examples and Explanations
• Necessary Assumption – Examples and Explanations
• Weaken Questions
• Weaken Questions – Examples and Explanations
• Strengthen Questions
• Strengthen Questions – Example and Explanations
• Flaw Questions – Examples and Explanations
• Resolve The Paradox Questions
• Resolve The Paradox – Examples and Explanations
• Method Of Argumentation/Identify The Role Questions
• Method of Argumentation/Identify The Role – Examples and Explanations
• Point At Issue Questions
• Point At Issue Questions – Examples and Explanations
• Parallel Reasoning Questions
• Parallel Reasoning – Examples and Explanations
• Parallel Flaw – Examples and Explanations
• Evaluate The Argument – Examples and Explanations
• Most Strongly Supported Questions
• Most Strongly Supported – Examples and Explanations
• Must Be False Questions
• Must Be False – Problems and Explanations
• Sufficient Assumption Principle – Examples and Explanations
• Miscellaneous Questions – Examples and Explanations

Other Lessons

Ideal LR Timing Strategy