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Common Logical Fallacies. There are about 100 types of them
1. Common Logical Fallacies
There are about 100 types of them…1
2. Common Logical Fallacies
• argumentum ad hominem• argumentum ad populum
• appeal to ignorance
• argument from omniscience
• argument from authority
• appeal to consequences
• circular reasoning
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3. Common Logical Fallacies
• confusion of correlation and causation• post hoc, ergo propter hoc
• suppressed evidence
• loaded questions
• misunderstanding the nature of statistics
• statistics of small numbers
• red herring
• straw man
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4. What type of logical fallacies does this statement represent?
Many people get married,that’s why it is good to be married.
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argumentum ad populum5
6. What type of logical fallacies does this statement represent?
Abortion should be legalbecause women have the right to
an abortion.
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circular reasoning7
8. What type of logical fallacies does this statement represent?
My parents smoked all their lives,and they never got cancer.
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statistics of small numbers9
10. What type of logical fallacies does this statement represent?
She got sick after she visitedChina, so something in China
caused her sickness.
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post hoc, ergo propter hoc11
12. What type of logical fallacies does this statement represent?
Children who watch violence on TVtend to act violently when they
grow up.
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confusion of correlation andcausation
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