**Negation** (noun) — the act of denying something or asserting its nonexistence or nonoccurrence.
Here are some examples of using the word «negation»:
1. The lawyer argued against the prosecution's evidence, pointing out **negations** and inconsistencies in their testimony.
2. She tried to ignore the **negation** of her feelings and pretend everything was fine.
3. The philosopher explored the concept of **negation** in his latest book, discussing the nature of existence and non-existence.
4. The politician's speech was filled with **negations**, denying any wrongdoing and blaming others for the problem.
5. The scientist conducted experiments to prove the **negation** of the hypothesis, finding evidence that disproved it.
6. The teacher explained to the class how to use **negation** in sentences, demonstrating how to form negative statements.
7. The artist used **negation** in their artwork, creating a contrast between light and dark, positive and negative.
8. The psychologist discussed the concept of cognitive **negation**, how people can deny or ignore information that is uncomfortable or distressing.
9. The journalist reported on the **negation** of human rights in the region, highlighting the lack of freedom and justice.
10. The mathematician used **negation** to prove a theorem, showing that if one statement is false, then another statement must be true.