Explanation:

1, a science that studies the norms and criteria of thinking and argumentation, traditionally includes the principles of definition, classification and correct use of words, correct cloud predicate principle, reasoning and argumentation principle.

2, the law of thinking.

3. Objective regularity.

Make sentences:

1. Learning logic and rhetoric makes one eloquent.

2. Carefully ponder the clues left by criminals, carefully scrutinize with logical thinking, and finally get the correct answer to solve the case.

This article is illogical and self-contradictory, and needs further revision.

This article is correct, rigorous and logical, which can be said to be impeccable.

Therefore, the first part of this book is to discuss with you what kind of country will become a contemporary developed country, and what is the basic logic and truth of contemporary countries.

6. Mr. Wang speaks clearly and logically, which is impeccable.

7. This article is fluent in arts and sciences, clear in logic and excellent.

8. The network has its own logic, which is incompatible with our expectations.

9. Your ideas are inconsistent, contradictory and illogical.

10, which sounds reasonable, is actually a kind of logic.

1 1. This paper has obvious errors in logical reasoning.