Logical fallacy

Logical fallacy


2024年5月13日发(作者:西瓜影音官网)

Philosophical and Logical Excerpt from Love Is a Fallacy

1. Dicto Simpliciter 绝对判断

Meaning: an argument based on an unqualified generalization.

Example: Exercise is good. Therefore everybody should exercise (fallacy) .For

instance, if you have heart disease, exercise is bad, not good. This is an unqualified

generalization

2. Hasty Generalization 草率结论

Meaning: Define something without enough evidence and decide to do

something too hastily.

Example: You cannot speak French. Petey Bellows cannot speak French. I must

therefore conclude that nobody in UMN can speak French. (Fallacy) The

generalization is reached too hastily. There are too few instances to support such a

conclusion.

3. Post Hoc 牵强附会

Meaning: connect two totally different, separate and incomparable things that

have no mutual references.

Example: Let us not take Bill on our picnic. Every time we take him out with us,

it rains. (Fallacy) Bill doesn't cause the rain. He has no connection with the rain. You

are guilty of Post Hoc if you blame Bill.

4. Contradictory Premises 矛盾前提

Meaning: two mutual premises that must be followed are contradictory.

Example: God said he could do anything he can do. And he created a huge

stone that he cannot lift. Is it true? (Fallacy) The two premises are contradictory.

Because god can do anything, he is certainly being able to create the stone which

he cannot lift. However, because he can do anything, he must be able to lift the

stone. Here is the contradiction.

Note: When the premises of an argument contradict each other, there is no

argument. If there is irresistible force, there is no immovable object. If there is an

immovable object, there is no irresistible force.

5. Ad Misericordiam 文不对题

Meaning: the answer has no relation with the question or require

Example: A man applies for a job. When the boss asks him what his

qualifications are, he replies that he has a wife and sic children at home, the wife is

a helpless cripple, the children have nothing to eat, no clothes to wear, no shoes on

their feet, there are beds in the house, no coal in the cellar, and winter is coming.


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