On the philosophical development of Kurt Gödel

Contents 1. Introduction 426 2. G ¨ odel's position in the 1950's—a stalemate 428 2.1. Inconclusive arguments 428 2.2. Realism and rationalism 430 2.3. Epistemological parity 434 2.4. A way out? 437 3. G ¨ odel's turn to Husserl's transcendental idealism 439 3.1. Varieties of idealism 439 3.2. G ¨ odel and German Idealism 440 3.3. The turn to Husserl's transcendental idealism 443 3.4. G ¨ odel's criticisms of Husserl's idealism 453 4. How is the turn related to Leibniz? 455 4.1. Phenomenology as a methodical monadology 455 4.2. Searching for the primitive terms 458 5. Comparison with earlier interpretations 460 6. Influence from Husserl on G ¨ odel's writings 464 6.1. On the schools in the foundations of mathematics 464 6.2. The given 465 6.3. Revisions in the main text of the Cantor paper 467 7. G ¨ odel's assessment of his philosophical project 470 Acknowledgements 471