# Intro to Logic

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1. The following argument violates some principles of well-crafted arguments: While 1[there is much wickedness in the world,] 2[then there is also much good.] For 3[if there is evil, then there must be good,] since 4[good and evil are relative, like big and small.] And no one will deny that 5[evil exists.] Answer questions ‘a’ to ‘e’ below from the passage above. A) Write a well-crafted version of the argument, replacing the emotionally loaded verbiage with more neutral language. 1. The world has much good and evil. b) Examine each statement and explain the reference to the language and sentences used as to how you could decide whether this argument is valid or invalid. The language used is uniformed and charitable.…show more content…
1. Water is life. 2. Life is a gift. 3. My guitar is a gift. 4. Thus water is my guitar. Answer questions ‘F’ to ‘I’ below from the passage below. Mercy killing is morally permissible only if it promotes a greater amount of happiness for everyone affected than the alternatives do. And mercy killing does promote a greater amount of happiness for everyone affected than the alternatives do. Therefore, mercy killing is morally permissible. f) Use as many examples that may include symbols and letters if necessary to help you to distinguish between formal validity and formal invalidity. Formal validity: 1. If A then B 2. A 3. So B Formal invalidity: 1. If A then B 2. B 3. So, A g) Use letters to write the argument form of the passage above. 1. If B, then A 2. B 3. So, A. H) Construct a counterexample to the argument form above. 1. If mercy killing promotes a greater amount of happiness for persons affected than the alternatives do, then it is morally permissible. 2. Mercy killing does promote a greater amount of happiness for those affected than the alternatives do. 3. Therefore, mercy killing is not