Introduction; 1. Continuity and Difference in Heidegger's Sophist; 2. To Think as Mortals: Heidegger and the Finitude of Philosophical Existence; 3. The Contingency of Freedom: Heidegger Reading Kant; 4. Dimension and Difference: From Undifferentiatedness to Singularity; 5. Heidegger and Weyl on the Question of Continuity; 6. The Experience of Language as Such; Bibliography; Index.