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b'M\xeame si l\xe9tude sur le jus cogens a \xe9norm\xe9ment \xe9volu\xe9 au cours des derni\xe8res d\xe9cennies, son contenu mat\xe9riel varie consid\xe9rablement selon la jurisprudence de chaque tribunal international. La Cour interam\xe9ricaine des droits de lhomme (CIDH) figure parmi les instances internationales les plus avanc\xe9es sur ce sujet, puisquelle a rendu des d\xe9cisions avant-gardistes en \xe9levant plusieurs r\xe8gles au rang des normes imp\xe9ratives du droit international g\xe9n\xe9ral. Dans ce contexte, ce livre explore les consid\xe9rations faites par la CIDH sur le jus cogens dans ses arr\xeats (y compris les opinions s\xe9par\xe9es des juges) et avis consultatifs, analysant le contenu du jus cogens selon la CIDH.Although the study concerning the jus cogens has evolved greatly in recent decades, its substantive content varies considerably according to the jurisprudence of each International Court. The Inter-American Court of Human Rights (IACHR) has some of the most advanced jurisprudence in the field of jus cogens since it has rendered cutting edge decisions that added several norms to the framework of peremptory norms of general international law. In this context, this book explores the considerations of the IACHR about jus cogens in its decisions (this includes the separate opinions of judges) and advisory opinions, analyzing what the content of jus cogens is according to the IACHR.'