Chapter XL: Section 23: contains a detailed refutation of Kant’s proof of the a

priori_ nature of the causal relation in the “Second Analogy of Experience” of the Critique of Pure Reason, the gist of the objection being that the so‐called subjective succession is as much objective in reality as what is called objective by Kant: “Phenomena may well follow one another, without following _from_ one another.”