Atheism is the rejection of an assertion that a deity exists.[1][2][3][4] In a narrower sense, positive atheism is specifically the position that there are no deities, effectively taking the stance of a positive claim in regards to the existence of any goddess or god.[1][2][5][6] The English term 'atheist' was used at least as early as the sixteenth century and atheistic ideas and their influence have a longer history.
Philosophical atheist thought began to appear in Europe and Asia in the sixth or fifth century BCE. In ancient Greece, playwrights expressed doubt regarding the existence of gods and the antireligious philosophical school Cārvāka arose in ancient India. Materialistic philosophy was produced by the atomistsLeucippus and Democritus in 5th century BCE, who explained the world in terms of the movements of atoms moving in infinite space.
^ abHarvey, Van A. Agnosticism and Atheism, in Flynn 2007, p. 35: "The terms ATHEISM and AGNOSTICISM lend themselves to two different definitions. The first takes the privative a both before the Greek theos (divinity) and gnosis (to know) to mean that atheism is simply the absence of belief in the gods and agnosticism is simply lack of knowledge of some specified subject matter. The second definition takes atheism to mean the explicit denial of the existence of gods and agnosticism as the position of someone who, because the existence of gods is unknowable, suspends judgment regarding them ... The first is the more inclusive and recognizes only two alternatives: Either one believes in the gods or one does not. Consequently, there is no third alternative, as those who call themselves agnostics sometimes claim. Insofar as they lack belief, they are really atheists. Moreover, since the absence of belief is the cognitive position in which everyone is born, the burden of proof falls on those who advocate religious belief. The proponents of the second definition, by contrast, regard the first definition as too broad because it includes uninformed children along with aggressive and explicit atheists. Consequently, it is unlikely that the public will adopt it."
^ abSimon Blackburn, ed. (2008). "atheism". The Oxford Dictionary of Philosophy (2008 ed.). Oxford University Press. ISBN978-0-19-954143-0. Retrieved 21 November 2013. Either the lack of belief that there exists a god, or the belief that there exists none. Sometimes thought itself to be more dogmatic than mere agnosticism, although atheists retort that everyone is an atheist about most gods, so they merely advance one step further.
^Most dictionaries (see the OneLook query for "atheism"Archived September 30, 2007, at the Wayback Machine) first list one of the more narrow definitions.
Runes, Dagobert D., ed. (1942). Dictionary of Philosophy. New Jersey: Littlefield, Adams & Co. Philosophical Library. ISBN978-0-06-463461-8. Retrieved 9 April 2011. (a) the belief that there is no God; (b) Some philosophers have been called "atheistic" because they have not held to a belief in a personal God. Atheism in this sense means "not theistic". The former meaning of the term is a literal rendering. The latter meaning is a less rigorous use of the term though widely current in the history of thought – entry by Vergilius Ferm
^Rowe 1998: "As commonly understood, atheism is the position that affirms the nonexistence of God. So an atheist is someone who disbelieves in God, whereas a theist is someone who believes in God. Another meaning of 'atheism' is simply nonbelief in the existence of God, rather than positive belief in the nonexistence of God. ... an atheist, in the broader sense of the term, is someone who disbelieves in every form of deity, not just the God of traditional Western theology."