# Chapter 3 - Logic - Chapter Summary, Review, and Test - Review Exercises - Page 208: 50

"She is using her car or she is not taking a bus. "

#### Work Step by Step

De Morgan's Laws says that $\sim (p\land q)\equiv \sim p\lor \sim q$ and $\sim (p\lor q)\equiv \sim p\land \sim q$. Thus the negation is: "She is using her car or she is not taking a bus. "

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