Art is an invention of aesthetics which in turn is an invention of philosophers... What we call art is a game.
The aesthetic of architecture has to be rooted in a broader idea about human activities like walking relaxing and communicating. Architecture thinks about how these activities can be given added value.
Architecture is a art when one consciously or unconsciously creates aesthetic emotion in the atmosphere and when this environment produces well being.
In addressing a task one almost always has several possible options sometimes only a few and they may all be practical and functional. But they lack the aesthetic aspect that raises it to architecture.
The logic of Palladian architecture presented an aesthetic formula which could be applied universally.
Form follows profit is the aesthetic principle of our times.