Doubt
It is called racism.
Fallacy
the biggest achievement one can make is removing all their unfounded beliefs
something that you have in your mind for example idea.
The meaning of the word notion is belief, idea. Some synonyms are awareness, opinion, thought, imagination, intuition, perception or impression depending on the context where it is used.
Notion.
A notion typically refers to an idea, belief, or concept that is held or accepted as true by someone.
A notion is a general understanding or belief about something. It can also refer to an idea or concept that is commonly accepted or held by people.
No, "notion" is not a verb; it is a noun. It refers to an idea, belief, or concept. For example, one might say, "She has a notion about how to improve the project." The verb form related to the idea of forming a notion would be "to conceive" or "to think."
The word notion is a singular noun. The plural would be notions.
A prejudice is a belief about someone or something that is unfounded. Prejudices are based on preconceived notions or stereotypes, rather than fact or experience.
Experiencing disappointment in a trusted belief or notion