Edited sentence: After all, if there is no God, then the meaning of life is pretty much left up to Man, to discover or define.Atheism is a component of many other philosophies and origin theories, including evolutionism, existentialism, Darwinism, humanism, nihilism, and transhumanism, to name but a few.Atheism is a relative term.In this context, many non-believers see atheism as a derogatory label applied to them by theists.It can be observed that, because atheism is defined by the absence of a god, atheists are referred to by what they do not believe rather than what they do believe.Many atheists, therefore, consider their atheism secondary to their primary philosophical position, whatever that may be, preferring to be defined by what they do believe.Most Christians, Jews, and Muslims are atheists with respect to the eastern religions Buddhism, Hinduism, and Taoism for this very same reason, and vice versa for the Buddhists, Hindus, and Taoists in relation to the western religions.Most people would consider themselves atheists with respect to the ancient Babylonian, Egyptian, Greek and Roman Gods.Though many atheists who disbelieve the contempory religions, consider themselves agnostics with respect to the issue of the existence of a superbeing in general, arguing that the existence or non-existence of such a being cannot be verified, while you can see the obvious influence of the hand of man throughout history on the creation and development of the various mythoi (contemporary religions included).Though “atheist” is most commonly applied to those who do not believe in the God nor Gods represented in any of these religions, even though they also claim that these “mythos” are just as silly and were just as obviously made up