Texts on architecture have been written since ancient time. The earliest surviving text on architectural theory is the 1st century AD treatise De architectura.
In many ancient civilizations such as those of Egypt and Mesopotamia, architecture and urbanism reflected the constant engagement.
In the late 20th century a new concept was added to those included in the compass of both structure and function, the consideration.
The most important aspect of beauty was, therefore, an inherent part of an object, rather than something applied superficially.
According to Vitruvius, the architect should strive to fulfill each of these three attributes as well as possible. Leon Battista Albert.
The philosophy of architecture is a branch of philosophy of art, dealing with aesthetic value of architecture, its semantics and relations.