عنوان مقاله [English]
From the point of view of Molla Sadra,s philosiophy, creation is in gradual and continuous mood; This Idea is applicable to in architecture and its users. Today's society, unlike past homogenous society, is heterogeneous; such separation exists between place and time, people and their past, and between people themselves. In other words, gap generation that has occurred between nuclear family and the society. Establishing social continuity is based on gradation in population relationships. However,
there is a genera ling missing ring called ''Expanded Family'' considered one of the social classes. The purpose of this article is to
resurrect the extended family's is an alive social class and provides context of living and gradation in society.
According to the reasons of waning the expanded family, the ideogram of the house is shaped on tree model. Tree has provided the fruit whit two food sources which are the root as a common food source and direct sustenance independent of sun and air. The yard is also the food source of the house. In every house, between two backyard and courtyard, the spectrum of spaces is organized from private to common. Houses are united in the courtyard