新视野大学英语第四册第一单元Section A课件ppt

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Unit 1 Section ALove and logic:The story of a fallacyFOREIGN LANGUAGE TEACHING AND RESEARCH PRESS AIR FORCE ENGINEERING UNIVERTISY

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Life and Logic

Doing the right thing is not the problem. Knowing what the right thing is, that’s the challenge.

— Lyndon B. Johnson (36th US president)

It is one thing to be clever and another to be wise. — George R. R. Martin (American author)

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Life and Logic

Section A Love and logic: The story of a fallacyObjectives

To talk about love and logic To further understand the text To apply the phrases and patterns To master the narrative essay writing skill

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L ove a n d l o g i c : T h e s t o r y o f a f a l l a c y

ContentsWarming-up Activities Text Study

Language ApplicationSummary

Section

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L ove a n d l o g i c : T h e s t o r y o f a f a l l a c yWarming-up Activities

Lead-in

Pre-reading Activities

Cultural Background

1. What do you know about logic?

It is the use and study of valid reasoning; Most prominent in the subjects of philosophy, mathematics, and computer science; Established as a formal discipline by Aristotle; One of the classical trivium (三学科), the other two being grammar and rhetoric; Divided into three parts: inductive reasoning, abductive reasoning, and deductive reasoning.

2. Do you think it is possible to deal with life in a completely rational and logical way? When it comes to making a choice, many people tend to use rational and logical reasoning; Males are more rational than females; Rational world is not necessarily a wonderful one; Rational inpiduals can make choices that are bad news for others; It is ridiculous to deal with love in a logical way.

Pre-reading Activities

True or False

The following are some statements to test your reasoning ability. Tell whether the conclusions after the word “Therefore” are true (T), false (F), or uncertain (U). Write your answer on the line before each statement.

Pre-reading Activities

True or False

F 1. All odd numbers are integers ( 整 数 ). All even numbers are integers. Therefore, all odd numbers are even numbers. T 2. There are no dancers that aren’t slim and no singers T that aren’t dancers. Therefore, all singers are slim. F 3. A toothpick ( 牙 签 ) is useful. Useful things are valuable. Therefore, a toothpick is valuable. F 4. Three pencils cost the same as two erasers. Four erasers cost the same as one ruler. Therefore, pencils are more expensive than rulers.

Pre-reading Activities

True or False

T 6. A fruit basket contains more apples than lemons. There are more lemons in the basket than oranges. Therefore, the basket contains more apples than U oranges. 7. Taking the train across town is quicker than taking the bus. Taking the bus across town is slower U than driving a car. Therefore, taking the train across town is quicker than driving a car.

Cultural Background

Logic and Fallacy

Questions Preview

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1. What is a fallacy? And how is it used?Tips

2. How many types of fallacy do you know?Tips

Cultural Background

Logic and Fallacy

1. What is a fallacy? And how is it used?

An error in reasoning that renders an argument logically invalid; By accident or design, logical fallacies are often used in debate or propaganda; To mislead people; To distract people from the real issue for the purpose of winning an argument.