Reason

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Reason is the capacity for consciously making sense of things, applying logic, establishing and verifying facts, and changing or justifying practices, institutions, and beliefs based on new or existing information.

Description

Reason is closely associated with such characteristically human activities as philosophy, science, language, mathematics, and art and is normally considered to be a definitive characteristic of human nature.

The concept of reason is sometimes referred to as rationality and sometimes as discursive reason, in opposition to intuitive reason.

Reason or "reasoning" is associated with thinking, cognition, and intellect.

Reason, like habit or intuition, is one of the ways by which thinking comes from one idea to a related idea. For example, it is the means by which rational beings understand themselves to think about cause and effect, truth and falsehood, and what is good or bad.

It is also closely identified with the ability to self-consciously change beliefs, attitudes, traditions, and institutions, and therefore with the capacity for freedom and self-determination.

Psychologists and cognitive scientists have attempted to study and explain how people reason, e.g. which cognitive and neural processes are engaged, and how cultural factors affect the inferences that people draw.

The field of automated reasoning studies how reasoning may or may not be modeled computationally.

Animal psychology considers the question of whether animals other than humans can reason.

Etymology and related words

In the English language and other modern European languages, "reason", and related words, represent words which have always been used to translate Latin and classical Greek terms in the sense of their philosophical usage.

  • The original Greek term was "λόγος" logos, the root of the modern English word "logic" but also a word which could mean for example "speech" or "explanation" or an "account" (of money handled).
  • As a philosophical term logos was translated in its non-linguistic senses in Latin as ratio.

This was originally not just a translation used for philosophy, but was also commonly a translation for logos in the sense of an account of money.

  • French raison is derived directly from Latin, and this is the direct source of the English word "reason".

See also

External links