LSAT Logical Reasoning
Master the art of analyzing, evaluating, and constructing arguments for the LSAT and beyond.
Advanced Conditional Reasoning
Going Deeper with Conditionals
Some LSAT questions use multiple, nested, or tricky conditional relationships.
Advanced Patterns
- Multiple Conditions: "If A and B, then C."
- Unless/Except/Until: These often mean negation or require diagramming.
Formula: \(A \rightarrow B\), \(C \rightarrow \neg B\), so \(C \rightarrow \neg A\)
Contrapositives and Chains
Linking multiple conditionals creates "chains" (\(A \rightarrow B \rightarrow C\)), letting you deduce new relationships.
Why It’s Useful
Mastering these lets you untangle even the most complex LSAT setups and apply similar logic in real-life planning and troubleshooting.
Key Formula
\[A \rightarrow B, C \rightarrow \neg B, \text{ so } C \rightarrow \neg A\]
Examples
If you win the lottery, and if you buy a ticket, then you'll be rich. (Win lottery AND buy ticket → Rich)
No one can enter unless they have a ticket. (Not have ticket → Not enter; contrapositive)
In a Nutshell
Handle even the trickiest conditional logic like a pro.