Logical fallacies can be broadly divided into two categories: formal and informal fallacies. Formal fallacies are statements that are flawed because the structure of the statement itself is flawed. For example, the non-sequitur fallacy, the type of fallacy where the conclusion does not logically follow the premise, is a formal fallacy. Take a look at this example of the non-sequitur fallacy:
If a food is cold, then it is a dessert. Salad is cold. Therefore, salad is a dessert.
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Similar ideas to Formal Fallacies
A fallacy is the use of faulty reasoning in an argument.
There are formal and informal fallacies:
... is a faulty assumption that becomes the basis of an argument and makes it logically unsound. For example, all birds can fly. Penguins can't fly. Therefore, penguins aren't birds. The premise that all birds can fly is false since some birds can't fly.
A...
Deductive reasoning starts from established facts, then applies logical steps to reach a conclusion. For example, "Bachelors are unmarried men. Jack is unmarried. Therefore, Jack is a bachelor."
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