Irrationality
Irrationality
Irrationality (/ɪˌræʃəˈnælɪti/) is a concept in psychology and philosophy that describes a deviation from logic or reason, or a lack of coherence in a person's thinking.
Etymology
The term "irrationality" comes from the Latin irrationalis, meaning "not rational". It is composed of the prefix ir-, meaning "not", and rationalis, meaning "reason" or "logic".
Definition
In psychology, irrationality is often associated with cognitive biases and errors in reasoning. These biases can lead to decisions or beliefs that are not based on logical reasoning or empirical evidence.
In philosophy, irrationality can refer to the rejection of rationalism, a philosophical doctrine that asserts that the truth can be discovered through reason and logical analysis.
Related Terms
- Cognitive bias: A systematic error in thinking that affects the decisions and judgments that people make.
- Rationalism: A philosophical doctrine that asserts that the truth can be discovered through reason and logical analysis.
- Logic: The study of reasoning, or the study of the principles and criteria of valid inference and demonstration.
- Reason: The capacity of consciously making sense of things, applying logic, and adapting or justifying practices, institutions, and beliefs based on new or existing information.
See Also
External links
- Medical encyclopedia article on Irrationality
- Wikipedia's article - Irrationality
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