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CHECK POINT 4 Determine whether each argument is valid or invalid.
a. The emergence of democracy is a cause for hope or environmental problems will overshadow any promise of a bright future. Environmental problems will not overshadow any promise of a bright future. Therefore, the emergency of democracy is a cause for hope.
b. If the defendant’s DNA is found at the crime scene, then we can have him stand trial. He is standing trial. Consequently, we found evidence of his DNA at the crime scene.
c. If you mess up, your self-esteem goes down. If your self-esteem goes down, everything else falls apart. So, if you mess up, everything else falls apart.
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Chapter 3 Solutions
Thinking Mathematically Plus MyLab Math -- Access Card Package (7th Edition) (What's New in Service Math)
- Trigonometry (MindTap Course List)TrigonometryISBN:9781305652224Author:Charles P. McKeague, Mark D. TurnerPublisher:Cengage Learning
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