KeyKOS OSR Paper

Largely because of an attempt at conciseness, but also be cause of the compactness of KeyKOS and the mutual re liance of the abstractions from which it is developed, certain words and phrases appear, of necessity, earlier in this publi cation than the principle discussions explaining them. The information in this publication is ordered with the intent that a reader will need to assume as little as possible about as-yet-unexplained topics. Bold references in the index lo cate their definitions.