Logical Argument

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Logical Argument

  1. 1. Logical Arguments
  2. 2. Aristotle
  3. 3. Two Kinds of Logical Appeal
  4. 4. Hard Evidence
  5. 5. Reason and Common Sense
  6. 6. Hard Evidence Statement + Proof
  7. 7. Hard Evidence Claim + Supporting Evidence
  8. 8. Hard Evidence Facts + Authority
  9. 9. Hard Evidence Statistics
  10. 10. 1Youth ages 5-19 from July 1, 1999, to June 30, 2000. Data are preliminary and subject to change. 2Youth ages 5-19 from July 1, 1999, to June 30, 2000. 3Youth ages 5-19 in the 2000 calendar year. NOTE: quot;At schoolquot; includes on school property, on the way to or from school, and while attending or traveling to or from a school-sponsored event. SOURCE: Data on homicides and suicides of youth ages 5-19 at school and total school-associated violent deaths are from the Centers for Disease Control and Prevention (CDC), 1992-2002 School- Associated Violent Deaths Surveillance Study, previously unpublished tabulation (August 2003); data on suicides of youth ages 5-19 are from the CDC, National Center for Injury Prevention and Control, Web-based Injury Statistics Query and Reporting System (WISQARST) (2003), retrieved August 2003 from http://www.cdc.gov/ncipc/wisqars; and data on homicides of youth ages 5-19 away from school for the 1992-93 through 2000-01 school year are from the Bureau of Justice Statistics, preliminary data (October 2003).
  11. 11. Hard Evidence Surveys, Polls, and Studies
  12. 12. Hard Evidence Testimonies, Narratives, and Interviews
  13. 13. Reason and Common Sense Deduction
  14. 14. Reason and Common Sense Syllogism
  15. 15. Reason and Common Sense All humans are mortal Nate Stearns is human Therefore Nate is mortal
  16. 16. Reason and Common Sense Enthymeme
  17. 17. Reason and Common Sense Enthymeme = Claim + Reason
  18. 18. Reason and Common Sense Enthymeme = My opinion + Commonplace
  19. 19. Reason and Common Sense I better buy milk because we’re going to run out soon.
  20. 20. Reason and Common Sense You should do your homework because you want to go to college.
  21. 21. Reason and Common Sense Cultural Assumptions
  22. 22. Is logic enough?
  23. 23. 1. Arguments of Definition
  24. 24. 1. Arguments of Definition 2. Evaluative Arguments
  25. 25. 1. Arguments of Definition 2. Evaluative Arguments 3. Causal Arguments
  26. 26. 1. Arguments of Definition 2. Evaluative Arguments 3. Causal Arguments 4. Proposal Arguments

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