WLinguistic turn
WA. J. Ayer
WGustav Bergmann
WAndrzej Bogusławski
WRudolf Carnap
WGottlob Frege
WPeter Hacker
WGraham Harman
WLogical positivism
WLouis Mink
WG. E. Moore
WBertrand Russell
WGilbert Ryle
WFerdinand de Saussure
WMoritz Schlick
WStructuralism
WAlfred Tarski
WLudwig Wittgenstein