Flaw

These are defects in reasoning where an argument fails to provide adequate support for its conclusion, often seen in the form of unstated assumptions or insufficient evidence.

Prioritizing loyalty to the point of personal detriment. These are defects in reasoning where an argument

In personal development and psychology, a "fatal flaw" is a deeply ingrained, often unconscious belief or behavioral pattern that actively sabotages a person's life, despite their attempts to succeed. Examples include: These are defects in reasoning where an argument