Happiness and Muslim Philosophers’ attitudes about it Investigation of the theories of 5 Muslim Philosophers (Farabi, Miskawayh, Nasir, Naraqi and Shebra) about Happiness

. Concept of happiness is one of the most important concepts in ethics philosophy and all philosophers have dealt with it. Because of the importance of this issue and the position of Islam and Islamic teachings in this regard, Islamic philosophers have develop this concept and tried to explain that. Briefly, happiness is the absolute end and final goal of man. In this research, the viewpoints of 5 great Islamic philosophers about happiness and relative issues are considered and  compliance of their views has been investigated.