Carnap, Rudolf, 1891-1970 Meaning and necessity : A study in semanics and modal logic. / Rudolf Carnap - 1a edición - Chicago : University of Chicago Press, 1956 - 258 p. ; 20 cm. Subjects--Topical Terms: Semántica --FilosofíaLógica simbólica y matemática LC Class. No.: B840 / C35 1956