Closed concept

Closed concept

A closed concept is a concept where all the necessary and sufficient conditions required to include something within the concept can be listed. For example, the concept of a triangle is closed because a three-sided polygon, and only a three-sided polygon, is a triangle. All the conditions required to call something a triangle can be, and are, listed.

See also

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  • closed — [adj1] shut, out of service bankrupt, dark, fastened, folded, gone fishing*, locked, not open, out of business*, out of order*, padlocked, sealed, shut down; concept 576 Ant. in business, open, running, working closed [adj2] finished, terminated… …   New thesaurus

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  • closed system — A system that is unaffected by influences from outside its boundaries. While a real system that is totally immune to outside influences is hard to imagine, the concept can be useful as a theoretical model …   Big dictionary of business and management

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