| (subclass RadioactiveWeapon WeaponOfMassDestruction) | WMD.kif 117-117 | Radioactive weapon is a subclass of weapon of mass destruction |
| (subclass RadiologicalWeapon RadioactiveWeapon) | WMD.kif 128-128 | Radiological weapon is a subclass of radioactive weapon |
| (subclass NuclearWeapon RadioactiveWeapon) | WMD.kif 134-134 | Nuclear weapon is a subclass of radioactive weapon |
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