For 10 points, what is this philosophical doctrine that asserted that metaphysical doctrines are meaningless and was espoused by Schlick, Carnap, Gödel and the rest of the Vienna Circle?
One adherent of this philosophical doctrine attempted to used the Ramsey method to develop a criterion of significance for theoretical terms. Another proponent of this doctrine wrote The General Theory of Knowledge and was assasinated by Johann Nelbock on the university steps. Its developments were chronicled in the prefaces of successive editions of (*) Ayer's Language, Truth, and Logic, which helped bring the movement to England. For 10 points, what is this philosophical doctrine that asserted that metaphysical doctrines are meaningless and was espoused by Schlick, Carnap, Gödel and the rest of the Vienna Circle?
One adherent of this philosophical doctrine attempted to used the Ramsey method to develop a criterion of significance for theoretical terms.
{logical positivism} [or {neo-positivism}; accept {logical empiricism} until mentioned]