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The Internet Encyclopedia of Philosophy is a non-profit organization run by the editors. The Encyclopedia receives no funding, and operates through the volunteer work of the editors, authors, and technical advisors. (See the IEP Statement of Purpose).
Articles in the Internet Encyclopedia of Philosophy are currently from three sources (1) original contributions by specialized philosophers around the internet, (2) adaptations of material written by the editors for classroom purposes, and (3) adaptations from public domain sources (typically from two or more sources for per article). Articles of types 2 and 3 are designated as "proto articles," and over time we wish to replace all of these with original contributions by specialized philosophers (see submission guidelines). Proto articles are identifiable by the inclusion of the initials IEP at the foot of the article. By contrast, specialized articles are identifiable by the author's name at the close.