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Boolean Logic

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Boolean Logic

  1. 1. Boolean Logic <ul><li>George Boole. </li></ul><ul><li>1854 – Boolean Algebra. </li></ul><ul><li>Applications for computers. </li></ul>
  2. 2. Boolean Operators <ul><li>AND </li></ul><ul><ul><li>Narrows </li></ul></ul><ul><li>OR </li></ul><ul><ul><li>Broadens </li></ul></ul><ul><li>NOT </li></ul><ul><ul><li>Narrows </li></ul></ul>Broad Narrow AND Broad Narrow OR Broad Narrow Not
  3. 3. Boolean AND A AND B A B
  4. 4. Boolean OR A OR B A B
  5. 5. Boolean NOT A NOT B A B
  6. 6. Boolean Logic <ul><li>animal AND mammal </li></ul>AND narrows 
  7. 7. Boolean Logic <ul><li>legs OR roots </li></ul>OR broadens   
  8. 8. Boolean Logic <ul><li>animal NOT mammal </li></ul>NOT narrows  
  9. 9. Multiple Operators <ul><li>animal AND legs AND teeth </li></ul>
  10. 10. Nested Logic <ul><li>animal AND (fins OR feathers) </li></ul> 
  11. 11. Nested Logic <ul><li>animal AND (fins OR feathers) NOT legs </li></ul>
  12. 12. television AND violence Nabi, R.L., and J.L. Sullivan. 2002. “Does television viewing relate to engagement in protective action against crime? A cultivation analysis from a theory of reasoned action perspective.” Violence & Abuse Abstracts 8, no. 3 179-248. Calabro, Karen, Thomas A. Mackey, and Steven Williams. 2003. “Evaluation of training designed to prevent and manage patient violence.” Abstracts in Social Gerontology 46, no. 1: 5-147 Yan, M. Z. 2003. “Market structure and local signal carriage decisions in the cable television industry: results from count analysis.” Communication Abstracts 26, no. 1: 3-151
  13. 13. television AND violence Nabi, R.L., and J.L. Sullivan. 2002. “Does television viewing relate to engagement in protective action against crime? A cultivation analysis from a theory of reasoned action perspective.” Violence & Abuse Abstracts 8, no. 3 179-248. Calabro, Karen, Thomas A. Mackey, and Steven Williams. 2003. “Evaluation of training designed to prevent and manage patient violence.” Abstracts in Social Gerontology 46, no. 1: 5-147 Yan, M. Z. 2003. “Market structure and local signal carriage decisions in the cable television industry: results from count analysis.” Communication Abstracts 26, no. 1: 3-151 AND Narrows
  14. 14. television OR violence Nabi, R.L., and J.L. Sullivan. 2002. “Does television viewing relate to engagement in protective action against crime? A cultivation analysis from a theory of reasoned action perspective.” Violence & Abuse Abstracts 8, no. 3 179-248. Calabro, Karen, Thomas A. Mackey, and Steven Williams. 2003. “Evaluation of training designed to prevent and manage patient violence.” Abstracts in Social Gerontology 46, no. 1: 5-147 Yan, M. Z. 2003. “Market structure and local signal carriage decisions in the cable television industry: results from count analysis.” Communication Abstracts 26, no. 1: 3-151
  15. 15. television OR violence Nabi, R.L., and J.L. Sullivan. 2002. “Does television viewing relate to engagement in protective action against crime? A cultivation analysis from a theory of reasoned action perspective.” Violence & Abuse Abstracts 8, no. 3 179-248. Calabro, Karen, Thomas A. Mackey, and Steven Williams. 2003. “Evaluation of training designed to prevent and manage patient violence.” Abstracts in Social Gerontology 46, no. 1: 5-147 Yan, M. Z. 2003. “Market structure and local signal carriage decisions in the cable television industry: results from count analysis.” Communication Abstracts 26, no. 1: 3-151 OR Broadens
  16. 16. television NOT violence Calabro, Karen, Thomas A. Mackey, and Steven Williams. 2003. “Evaluation of training designed to prevent and manage patient violence.” Abstracts in Social Gerontology 46, no. 1: 5-147 Yan, M. Z. 2003. “Market structure and local signal carriage decisions in the cable television industry: results from count analysis.” Communication Abstracts 26, no. 1: 3-151 Nabi, R.L., and J.L. Sullivan. 2002. “Does television viewing relate to engagement in protective action against crime? A cultivation analysis from a theory of reasoned action perspective.” Violence & Abuse Abstracts 8, no. 3 179-248.
  17. 17. television NOT violence Nabi, R.L., and J.L. Sullivan. 2002. “Does television viewing relate to engagement in protective action against crime? A cultivation analysis from a theory of reasoned action perspective.” Violence & Abuse Abstracts 8, no. 3 179-248. Calabro, Karen, Thomas A. Mackey, and Steven Williams. 2003. “Evaluation of training designed to prevent and manage patient violence.” Abstracts in Social Gerontology 46, no. 1: 5-147 Yan, M. Z. 2003. “Market structure and local signal carriage decisions in the cable television industry: results from count analysis.” Communication Abstracts 26, no. 1: 3-151 NOT Narrows

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