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  kda
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  Under Gerry Sussman.
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  He wrote the first extensible Emacs text editor there in 1976, and developed the AI technique of dependency-directed backtracking, also known as truth maintenance.
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  A paper concerning aritifical intelligence maintenance systems.
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  This announcement was made via several ARPANET mailing lists and USENET.
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  He did so in order to start the Free Software Foundation.
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  Here, Stallman asked for support in developing the GNU operating system.
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  Except for one, the kernel.
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  Stallman called for development of a free on-line encyclopedia through the means of inviting the public to contribute articles.
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  Stallman helped and supported the International Music Score Library Project in getting back on-line, after it had been taken down on October 19, 2007 following a cease and desist letter from Universal Edition.
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  As of 2014, he has recieved 15 honorary doctorates and professorships.
