L. B. Alberti の ratio と ordo について : その 1, ratio の意味

概要

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Through the special meanings of certain words in the "De re aedificatoria", I have researched the design process of L.B. Alberti. He wrote that beauty of architecture is a sort of harmony with "ratio" (concinnitas cum ratione). On the other hand he conceived many kinds of meanings in the word "ratio". I made a list of these all meanings (215 examples in the "De re aedificatoria"), grouping them in several categories, and concluded that "cum ratione" meant rather "methodical" than "reasonable". In this case, he looked for such methods as classical orders, proportions and theories of construction, Of course, he didn't forget a philosophical sense of the word "ratio" as reason. But this sense influenced him, indirectly to design, only for thinking of harmony. And in design process… he likes considering so… he had to demand some new theoretical and methodical approaches (rationes), rather than improvised adaptations from classical formes (opiniones).
社団法人日本建築学会の論文
1974-02-28