What qualifies non-psychological propositions as our evidence in philosophy must have something to do with our epistemic justification for believing them.
On the other hand, to fail to address the fact that the proposition in question is intuitive—that it is the content of an intuiting—is, it seems, to neglect something important about one’s apparent justification for believing the proposition. While most of our putative evidence in philosophy consists of non-psychological propositions, what qualifies such propositions as our evidence must have something to do with our epistemic justification for believing them. Even if philosophical argumentation