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ECONOMICS PROJECT---

ECONOMICS PROJECT---. Fallacy of an theory. What is a theory?. A theory is a set of definitions postulates, test conditions and predictions logically organized to explain phenomena.

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ECONOMICS PROJECT---

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  1. ECONOMICS PROJECT--- Fallacy of an theory

  2. What is a theory? • A theory is a set of definitions postulates, test conditions and predictions logically organized to explain phenomena. • It is an if- then statement. It explains and predicts that if the postulates and test conditions apply, then the predictions must happen.

  3. Situation • It was the time when the SARS was spreading in Hong Kong… • The theory is:If one is infected by SARS, one will stay in the hospital.--- If A, then B In the statement, A is called the antecedent, while B is called the consequent.

  4. Oh…if you have SARS, you should stay in the hospital or others may be infected also.

  5. SO… There is a thinking…

  6. Don’t come near me. You have infected by SARS…You should stay in the hospital… SARS patient!!!! If A (antecedent), then B(consequent).

  7. HOWEVER… Somebody have the following thinking…

  8. Oh…you are not infected by the SARS, you need not staying in the hospital. patient catching a serious cold Not A(antecedent), not B(consequent).

  9. The monkey has committed the fallacy of denying the antecedent. Although I don’t have SARS, I should stay in the hospital since I have caught a serious cold. Therefore, the thinking of Not A, not B…is… WRONG!!!!

  10. AND… Some people may think that…

  11. IN THE HOSPITAL… If B(consequent), then A(antecedent). Oh!!!!…you are staying in the hospital, you are infected by SARS. You are in the hospital ALSO!!!! 100m

  12. I am innocent… Staying in hospital does not mean that I have infected by SARS… I have just given birth to babies… The monkey has committed the fallacy of affirming the consequent. Therefore, the thinking of If B, then A…is… WRONG!!!!

  13. Conclusion • Fallacy is an invalid reason that… • Not A, Not B.If B, Then A. WRONG!!!! WRONG!!!! With the statement given is: If A, Then B.

  14. THE END

  15. 6A • Sharon Pang (18) • Tiffany Wong (27) • Carmen Yeung (28)

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