A notion in  philosophy is a reflection in the mind of real objects and phenomena in their essential features and relations. Notions are usually described in terms of scope  and content. This is because notions are often created in response to empirical observations (or experiments) of covarying trends among variables.
A notion in logic and philosophy is a reflection in the mind of real objects and phenomena in their essential features and relations. Notions are usually described in terms of scope (sphere) and content. This is because notions are often created in response to empirical observations (or experiments) of covarying trends among variables.
A
logic and
A
(sphere)