Categoriae decem Categoriae decem The Categoriae decem, also known as the Ten Categories and as the "Paraphrasis Themistiana", was a Latin summary of the "Categories" of Aristotle. It is thought to date to the fourth century. Once and traditionally attributed to St. Augustine, it is now no longer thought to be his work. From the eighth century onwards, this text became one of the major sources of logical teaching in medieval Europe, where it was taken at times as a full translation of Aristotle's work, rather than a compression. Its importance rests in the revival of the study of logic it stimulated
DEKA (company) then President Clinton for inventions that have advanced medical care worldwide. In 2003, his "Project Slingshot," a cheap portable water purification system, was named a runner-up for "coolest invention of 2003" by "Time magazine". Dean Kamen appeared on The Colbert Report showing off his water purifier by dumping Doritos into a red liquid, and having it purify the red liquid into a clear colorless pure water. DEKA is a major sponsor and strategic partner of FIRST, also founded by Dean Kamen. DEKA (company) DEKA Research & Development Corporation is a technology company based in New Hampshire, founded in 1982 by