Chapter 5 homework - Philosophy 311: Argument Homework:...

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Austin DeBoer Exercise 5.1: 1. Assign letters to each simple statement given below and use our connective symbols to translate the more complex statements built out of them into our formalism using letters and symbols as described in the previous section. a. A b. A→ B c. ¬A d. A B ˅ e. A→(B C) ˅ f. g. (A & B) →(C&D) h. A↔B i. 2. a. A b. c. A d. A→B e. ¬(A B) ˅ 3. A: a. (1)A→B (2) [A] B A= the netwizard desktop computer runs webvideo software B= it can meet my computing needs b. (1)[ A] B ˅ (2) ¬A B A= I buy the netwizard desktop computer B= I buy the hacker laptop c. (1) A→ B (2) B→ C A→ C A= The hacker laptop does not run Webvideo software B= I can’t play interactive webvideo games on it C= it does not meet my needs d. (1)A →[B] (2) ¬B ¬A A= David can afford a new plasma HDTV
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Austin DeBoer B= David can afford to pay off his credit cards e. (1) A B ˅ (2) ¬B A A= I should buy a new E. HDTV B= I should buy a P. HDTV B: 3ai. (1) A B ˅ (2) ¬B A A= We should permanently cut taxes B= we preserve Social security and expand medical coverage 3aii: (1) A B ˅ (2) A → ¬B (3) C A B A= A= We should permanently cut taxes B= we preserve Social security and expand medical coverage 3aiii: (1) B (2) ¬B→C ¬ A 3bi: (1) A→B (2)B A A= Gender discrimination is wrong B=combat roles for men only are unjust 3ci: (1) A→B (2) A B A= Marvin has devoted himself to becoming a famous journalist B= you should be careful what you tell him 4. Translate the following arguments into our formalism: a. (1) A B ˅ (2) B→C (3) ¬C A b. (1) A→B (2) B→C (3) C→D A→D c. (1) A→B (2) B→C d. (3) ¬C D ˅
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Austin DeBoer (4) ¬D ¬A e. (2)C↔D A↔D Exercise 6.1: 1. Identify the fallacies through a brief explanation: b. Straw-man—this would be persuasive because it generalizes the audience to effectively “discredit”
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Chapter 5 homework - Philosophy 311: Argument Homework:...

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