Zdroj: Allgemeine Erkenntnislehre, 1925, p. 27 i. ; as cited in: Adam Schaff (1962). Introduction to semantics, p. 83
Moritz Schlick: Citáty v angličtine
Zdroj: Allgemeine Erkenntnislehre, 1925, p. 157 ; As cited in: Uebel (2012:78)
“Philosophy is not a system of propositions, and not a science.”
Zdroj: Allgemeine Erkenntnislehre, 1925, p. 157 ; As cited in: Thomas Uebel (2012). Empiricism at the Crossroads: The Vienna Circle's Protocol-Sentence. p. 78