Formalism and the Sources of International Law: A Theory of the Ascertainment of Legal Rules

This book revisits the theory of the sources of international law from the perspective of formalism. It critically analyses the virtues of formalism, construed as a theory of law ascertainment, as a means of distinguishing between law and non-law. The theory of formalism is re-evaluated against the backdrop of the growing acceptance by international legal theorists of the blurring of the lines between law and non-law. At the same time, the book acknowledges that much international normative...