This chapter systematically teases out and reflects on the antinomies and aporias that characterize each of two broad sets of international human rights solidarity argumentation. These are the broadly shared discourses on the issue that emanate in each case from the Global North and Global South. Why do Global North States tend to accept and focus on binding international human rights obligations in the civil and political (CP) rights area, while demurring regarding similarly mandatory legal duties to express international solidarity in regard to economic and social (ES) rights? And why do Global South countries tend to argue in favor of such binding obligations with regard to ES rights but not nearly as much regarding CP rights? The chapter is mainly concerned with the rather ironic circulation and eclipsing of relevant antinomies and aporias in plain sight; their relationships to state sovereignty argumentation; and their connections to global power relations as ideationally constitutive forces. In the last respect, the key question is what the relative roles of values/norms in international human rights solidarity argumentation are, vis-à-vis global power relations. And these questions should highlight for scholars the imperative to track internationalist praxis over the longue durée.