Copyleft
Sources Select Resources Encyclopedia

http://www.sources.com/SSR/Docs/SSRW-Copyleft.htm
Resource Type:  Article
Cx Number:  CX10568

A play on the word copyright to describe the practice of using copyright law to remove restrictions on distributing copies and modified versions of a work for others and requiring that the same freedoms be preserved in modified versions.

Subject Headings

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