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Completion requirements

Read this section, which differentiates an argument in the logical sense from the ordinary language sense of a heated disagreement and introduces you to the basic structures of logical argument: statements, premises, and conclusions.

Complete Exercise 1, identifying which sentences are statements. Once you identify them, begin thinking about what premises might lead to those statements. When you finish, check your responses with the answer key.

If you would like to download the full textbook, it can be found here: Introduction to Logic and Critical Thinking.

Exercise

Which of the following sentences are statements and which are not?

  1. No one understands me but you.
  2. Alligators are on average larger than crocodiles.
  3. Is an alligator a reptile or a mammal?
  4. An alligator is either a reptile or a mammal.
  5. Don't let any reptiles into the house.
  6. You may kill any reptile you see in the house.
  7. East Africans are not the best distance runners.
  8. Obama is not a Democrat.
  9. Some humans have wings.
  10. Some things with wings cannot fly.
  11. Was Obama born in Kenya or Hawaii?
  12. Oh no! A grizzly bear!
  13. Meet me in St. Louis.
  14. We met in St. Louis yesterday.
  15. I do not want to meet a grizzly bear in the wild.