2.c) The man’s pointing at the menu and shaking his head suggests that it might be an argument.Of all the things the man does, this is the only thing that might indicate an argument. He is clearly trying to draw your attention to something, and that could be something he is trying to persuade you to accept. See pp. 143–145. 3.a) “You should avoid this restaurant.”It seems that the man has had an unpleasant experience at the restaurant, so it is reasonable to conclude that, if he is arguing, he is trying to persuade you not to repeat his mistake. See pp. 135–137. 4.a) “My meal tasted terrible;” “Terrible-tasting meals are served at poor-quality restaurants;” and “You should avoid poor-quality restaurants.”The man seems to believe his meal was poor, and terrible flavour is a minimal interpretation of why. Similarly, he seems to believe that there is something wrong with this restaurant, suggesting it is poor quality. The other premise is necessary to connect the ideas of tasting terrible and being a poor-quality restaurant. See pp. 138–141. 5.b) “That restaurant serves poor-quality food.”Given the hidden premises, it follows that the restaurant is serving poor-quality food. See pp. 135–137. 6.c) HP1 + HP2HC1 + HP3HMCWhen drawing diagrams, it is crucial to correctly locate linked and convergent premises and determine the logical relationships between premises and conclusions. See pp. 107–130 (Chapter 5).Passage 7 1.a) Yes.It seems clear that the author of the cartoon was trying to persuade his or her readers of something. See pp. 143–149. 2.c) “All politicians are interested in money.”Both politicians are described as doing unethical or illegal things for money. See pp. 135–137, 151–156. 3.a) “This politician steals from the poor” and “This politician takes bribes.”The cartoon as described clearly does show one politician stealing from the poor and another taking a bribe. See pp. 138–141, 151–156. 4.c) “Both these politicians are interested in money.”It follows from the hidden premises noted above. See pp. 135–137, 151–156.
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