Prolegomena: A paradox
At the origin of the inquiry found in the book under discussion (whose introduction is available for download here) lies a paradox. This paradox can be spelled out as follows. Nothing has been more ontologically threatening for international law – and for the professional community organized around it – than the rampant contemporary post-ontological mindset of the international legal scholarship. The (self-proclaimed) post-ontological era – and the correlative broadening of the substantive agenda of research that has accompanied it – have aggravated the impoverishment of our state of reflection about the theory of sources.
Indeed, having become too busy reflecting on legitimacy, accountability, participation, transparency or newly obsessed by epistemological and sociological introspection, international lawyers – and especially international legal scholars – have come to severely neglect the thinking about the most elementary tool of cognition of their object of study: the theory of sources. Said differently, the post-ontological era of international law has witnessed a move away from (theoretical reflections about) the theory of sources. This move away from the theory of sources has led international legal scholars to demote the theory of sources to a debate of secondary importance – let alone an unnecessary constraining straightjacket – and, as a result, output, effect, impact of norms or even compliance have been elevated in a central defining characteristic of international law.
The reasons thereof have not always been a dogmatic repulsion towards the theory of sources. The agenda behind such a move (this is what I have called elsewhere the ‘politics of deformalization’) includes the perceived need to expand or reform international law, the urge to buoy its legitimacy or the accountability of its main power-wielding actors, a religious attachment to pluralism, or the necessity to allow greater argumentative creativity – to name only a few. Interestingly, such a growing disinterest for the theory of sources has also been witnessed in international case-law where judges seem to take less and less pains to explain how (and according to which indicators) they identify and ascertain the rules they apply.
The agenda behind the theory of sources
In contrast to such a postontological conceptual nonchalance, this book makes a plea for preserving the central cognitive role of the theory of sources – albeit in a reformed configuration. The reasons for advocating the preservation of a theory of sources are multifold.
First, the book, in a functionally agnostic fashion, submits that, whatever function is assigned to it – whether freedom-restricting, behavior-conducting, progress-enhancing, society-structuring, hope-conveying or simply intellect-stimulating – international law needs to be formally ascertained and cognized to a reasonable extent. The book also takes the centrality of the theory of sources as a precondition for the critique of international law. Indeed, it argues that a (reformed) theory of sources also makes possible the critique of law – and thus its reform.
Eventually, the books argues that a theory of sources is an indispensible condition for the existence of a common vocabulary without which there cannot be any interpretative community of international law. All in all, the book takes the view that, short of a theory of sources able to provide sufficient ascertaining indicators, international law is at best a platform for discursive practices and the profession organized around it a cacophonic debating henhouse.
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