Heidegger and the Formalization of Thought -- The Justification of Logic and Mathematics in Husserlโ{128}{153}s Phenomenology -- On Husserlโ{128}{153}s Distinction between State of Affairs (Sachverhalt) and Situation of Affairs (Sachlage) -- On Situations and States of Affairs -- Modalization and Modalities -- Remarks on Modalization and Modalities -- Husserlโ{128}{153}s Formalism -- Mathematics as a Transcendental Science -- Mathematics and the Task of Phenomenology -- โ{128}{157}Tertium Non Datur:โ{128}{157} Husserlโ{128}{153}s Conception of a Definite Multiplicity -- Psychologism Revisited -- Some Reflections on Psychologism -- How Mathematical Foundation all but come about: A Report on Studies Toward a Phenomenological Critique of Gรถdelโ{128}{153}s Views on Mathematical Intuition -- On Geometric Intentionality -- Sentences which are True in Virtue of their Color -- Willard and Husserl on Logical Form -- Index of Names -- Index of Subjects