Related Rule
Practice Relating to Rule 1. The Principle of Distinction between Civilians and Combatants
Section A. The principle of distinction
In its written statement submitted to the ICJ in the Nuclear Weapons case in 1995, Egypt stated:
The distinction between combatants and non-combatants is one of the most important victories and accomplishments of international law since the early beginnings of the nineteenth century. Any authorization of nuclear weapons will definitely cause this principle to collapse. 
Egypt, Written statement submitted to the ICJ, Nuclear Weapons case, 20 June 1995, § 24; see also §§ 17 and 35(B)(4).