 Recall that Husserl’s case against psychologism centrally relies on the claim that truths exist independently of whether or not they are ever grasped by anyone. Schlick (1910) called this assumption ‘the independence theory of truth’. It was frequently attacked. Since Husserl provided the clearest statement of the independence theory of truth in the context of his criticism of Christoph Sigwart, it seems only fair to start the summary of repudiations with this author. In the Prolegomena Husserl disagrees with Sigwart’s claim that no judgment can be true unless it is actually thought by someone. Husserl regards it as part of the meaning of the law of gravity that the law is true for all times, that is, even prior to its discovery and regardless of whether it is ever formulated by anyone. Sigwart (1921) accuses Husserl of conflating truth with reality: