52Tagebuch 27. XII. 1947 – 30. XII. 1948 [Rudolf Carnap: Tagebücher], Eintrag Mo 6. XII. 1948

ms LinskyPLinsky, Leonard, 1922–2012, am. Philosoph gelesen, über meine intensionale Isomorphie.58He was completing his dissertation on Gottlob Frege and Rudolf Carnap on reference under the supervision of Paul Marhenke; PhD 1948; Leonard Linsky: “A Study in Meaning: The Interchangeability of Expressions in Non-Extensional Contexts”, Dissertation in Berkeley🕮