▁group , ▁" un w illing ▁add ict s ", ▁have ▁a ▁second - order ▁desire ▁not ▁to ▁take ▁the ▁drug , ▁while ▁the ▁third ▁group , ▁" w illing ▁add ict s ", ▁have ▁a ▁second - order ▁desire ▁to ▁take ▁it . ▁According ▁to ▁Frankfurt , ▁the ▁members ▁of ▁the ▁first ▁group ▁are ▁de void ▁of ▁will ▁and ▁therefore ▁are ▁no ▁longer ▁persons . ▁The ▁members ▁of ▁the ▁second ▁group ▁freely ▁desire ▁not ▁to ▁take ▁the ▁drug , ▁but ▁their ▁will ▁is ▁overcome ▁by ▁the ▁add iction . ▁Finally , ▁the ▁members ▁of ▁the ▁third ▁group ▁will ingly ▁take ▁the ▁drug ▁they ▁are ▁add icted ▁to . ▁Frankfurt ' s ▁theory ▁can ▁ram ify ▁to ▁any ▁number ▁of ▁levels . ▁Crit ics ▁of ▁the ▁theory ▁point ▁out ▁that ▁there ▁is ▁no ▁certain ty ▁that ▁conflicts ▁will ▁not ▁arise ▁even ▁at ▁the ▁higher - order ▁levels ▁of ▁desire ▁and ▁preference . ▁O thers ▁argue ▁that ▁Frankfurt ▁offers ▁no ▁ade qu ate ▁explanation ▁of ▁how ▁the ▁various ▁levels ▁in ▁the ▁hierarchy ▁mesh ▁together . ▁ ▁Free ▁will ▁as ▁un predict ability ▁In ▁El bow ▁Room , ▁Den nett ▁presents ▁an ▁argument ▁for ▁a ▁compat ibil ist ▁theory ▁of ▁free ▁will , ▁which ▁he ▁further ▁elabor ated ▁in ▁the ▁book ▁Fre edom ▁E vol ves . ▁The ▁basic ▁reasoning ▁is ▁that , ▁if ▁one ▁ex cludes ▁God , ▁an ▁infinitely ▁powerful ▁demon , ▁and ▁other ▁such ▁possibilities , ▁then ▁because ▁of ▁cha os ▁and ▁ep ist em ic ▁limits ▁on ▁the ▁precision ▁of ▁our