Horn Form A sentence is in Horn form if and only if …. It is a conjunction of atomic sentences on the left side, and a single atom on the right side i.e.
1ApatiraUthman 2AtphasoukJason 3ChauMinh 4CohenDavid 5CookNathan 6de GuzmanArmand 7EdgcombAlex 8GarciaSteven 9HichbornGeoffrey 10HuiCharles 11KazemiAzadeh.