Co-Evolution of Problem and Solution Spaces in Creative Design An Essay by Nigel Cross & Kees Dorst www.researchgate.net Between the two spaces What the prototype tells youSolution to evaluation and back againIn terms which must be alteredPrimitive design
The quality without a name There is a central quality which is the root criterion of life and spirit in a man, a town, a building, or a wilderness. This quality is objective and precise, but it cannot be named. There are words we use to describe this quality: alive whole comfortable free exact egoless eternal But in spite of every effort to give this quality a name, there is no single name which captures it. Christopher Alexander, The Timeless Way of Building No words to describeThis language without words beautylifemeaningspirit