抄録
"De architectura libri decem" of Vitruvius was translated in Japanese by Dr. K. Morita, also Alberti's "De re aedificatoria" I have translated in Japanese. On the architectural main concepts of these two theories, I applied a new analyzing system of three-dimension figure : of axes theoretical, imaginative and practical, any axis of which has superordinate concept and subordinate one. Dr. Morita had classified the famous six concepts of Vitruvius in three groups. These groups I applied to three axes. So that in the Vitruvius' theory, the theoretical axis has ordinatio (super.)-symmetria (sub.); imaginative axis has dispositio-eurythmia; and practical axis has decor-distributio. In the Alberti's theory, theoretical axis : concinnitasratio; imaginative axis : ordo-dignitas; practical axis : commoditas-necessitas & firmitas. By the comparative analysis of Vitruvius' and Alberti's, it has been definitely shon, that Alberti's superordinate concept of the theoretical axis : concinnitas was more limited than Vitruvius' same concept : ordinatio, and the former had a tendency to the visual sense of beauty. On the other hand, some Alberti's concepts : lineamentum, finitio, numerus and collocatio are situeted on the theoretical axis. Because these concepts related to methodical category in creative process of beauty.
