Main form: simple, adjective. Used both descriptively (adding detail) and restrictively (restricting the subject). In sciences, typically used in a binary sense (something is either simple or is not simple), whereas in the social sciences and daily parlance, typically used to describe position on a wider scale.
Related forms: simplicity (whether or not something is simple, extent to which something is simple)
- Easy to handle, basic, lacking in complexity. Similar words: easy, basic
- Something that cannot be decomposed, reduced or broken up. Similar words: indecomposable, irreducible.
- Honest, open and straightforward, not deceitful, designing, or guileful. Similar words: straightforward
Learn more about simple
In group theory
Simple group: A nontrivial group that has only two normal subgroups: the whole group and the trivial subgroup.
Term variations: Groupprops:Category:Variations of simplicity
Primary subject wiki entry: Groupprops:Simple group
In noncommutative ring theory
Simple ring: A nonzero unital ring in which the only two-sided ideals are the whole ring and the zero ideal.
Primary subject wiki entry: Noncommutative:Simple ring
Simple space: A path-connected space with Abelian fundamental group whose induced action on all higher homotopy groups is trivial.
Primary subject wiki entry: Topospaces:Simple space
In measure theory
Simple function: A real-valued or complex-valued function on a measure space that is expressible as a finite linear combination of indicator functions of measurable subsets.
Primary subject wiki entry: Measure:Simple function
Also located at: Wikipedia:Simple function