Die Lehre vom Urteil im Psychologismus. Ein kritisch-positiver Beitrag zur Logik.

£4,500 · Offered by Maggs Bros Ltd

The extremely rare first edition of Heidegger’s inaugural-dissertation on ‘The Doctorate of Judgement in Psychologism: A Critical and Positive Contribution to Logic’ undertaken at the University of Freiburg under the supervision of Arthur Schneider (1876-1945). The text is significant in terms of Heidegger’s early forays into the field philosophy, having previously primarily studied Catholic theology during his time at Freiburg, and particularly shows the influence of Heidegger’s early engagements with Edmund Husserl’s Logical Investigations (1900), which he began reading during his first semester at Freiburg. “In 1909, the end of his secondary education, the twenty-year-old Heidegger entered the novitiate of the German Province of the Jesuits at Feldkirch, Austria, near the border with Lichtenstein, but he was dismissed after only a few weeks for reasons of health. Thereupon he entered the archdiocesan seminary at Freiburg, where the spiritual directors were also Jesuits, and simultaneously matriculated at the Albert Ludwig University in Freiburg. From the fall of 1909 through the summer of 1911, he studied theology and some philosophy until he abandoned entirely the idea of becoming a priest and left the seminary. But he continued his studies at the university with a concentration on philosophy until the summer of 1913 when at the age of 23 he completed his doctoral dissertation, The Doctrine of Judgement in Psychologism, under the directorship of Arthur Scheider” (Sheehan,

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