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
Notes on the Synthesis of Form A Book by Christopher Alexander www.hup.harvard.edu I could do better than thatThis small internal quaverTheir wrongness is somehow more immediate mathdesignarchitectureformproblems