</ref> In the latter portion of the 20th century, the proposition that the [[definition of atheism]] also include a mere lack of belief in God or gods began to be commonly advanced by [[agnosticism|agnostics]]/atheists. | </ref> In the latter portion of the 20th century, the proposition that the [[definition of atheism]] also include a mere lack of belief in God or gods began to be commonly advanced by [[agnosticism|agnostics]]/atheists. |