 Just as “experience” for the neo-Kantians is restricted to “scientific experience”, so too is “thinking” restricted to “scientific thinking;” in fact, Natorp virtually conflates experience and thinking. His view of science as the progress (Gang) of method via hypotheses regulated by an ideal of complete objective determination leaves the problem of what exactly these hypotheses do and how they do it: the problem of Marburg “logic”. As Cassirer points out, Natorp’s conception of logic presses the traditional “analytic” doctrines of concept, judgement, and syllogistic into the background in favor of the “synthetic” logic of the genesis of mathematical and physical  objectivity.[24]  Natorp’s logic is therefore called “genetic;” it tells how thinking lawfully generates or synthesizes the unities that are its objects of knowledge. As such however it amounts to an analytic reconstruction of thinking’s synthetic construction of its objects (Natorp 1887: 283). He writes: