...(Of course, there is dispute about whether some of these actions were legitimate
self-
defense; but for present purposes what's important is that there's no dispute that there have been many instance such historical cases where the claim of
self-
defense was justified.) I've always assumed that such
self-
defense actions are governed by IHL, in two important respects. First, the many constraints of IHL apply -- distinction, proportionality, necessity, no perfidy, no denial of quarter, etc. Second, members of the armed forces of the state or non-state actor against whom the
self-
defense...