The firmness, utility, and beauty Vitruvian triad has been discussed and still is as it is considered to be one of the first architectural theories. The unity of firmness, functionality, and beauty was further explored by such philosophers and architects as Wittgenstein and Le Corbusier. Both theorists reflected their own vision of the combination of these three components. The unity of beauty and functionality is the subject of examination of this paper.
One of the most important places among artists of the Roman époque belongs to the Ancient architect Marcus Vitruvius Polio who wrote his well-known mulity-voulume treatise dedicated to architecture entitled "De architectura". Vitruvius`s life dates are unknown, but some indirect researches are prone to associate his life with Augustuss era, the second half of the first century BC. Despite the large volume of Vitruvius`s books they are simple to read and comprehend. At the beginning of each book the author gives a short summary, adding different interesting messages from the history of philosophy, literature, and art. Also, a simple review of the contents of the Vitruvius`s treatise reveals very much in view of simplicity and those architectural methods which he represents on the basis of a certain aesthetic position. "De architecture" can be regarded as the encyclopedia of technical science. Architecture, from Vitruvius understanding, includes three main aspects: architecture in a narrow sense of this word, i.e. equipment construction, production of devices for time measurement, and mechanics, i.e. production of weight lifting and water hoist engines. According to the definition of the Vitruvius, practice is based on the theory, while experience is checked and directed by science (Vitruvius 4). Following the requirements of encyclopedic education for the architect, Vitruvius not only lists those sciences which the architect has to know, but also demonstrates connection of