▁of ▁Baden - W ür ttemberg , ▁Germany , ▁right ▁trib ut ary ▁of ▁the ▁B üh ler ▁ ▁N essel bach ▁( R omb ach ), ▁a ▁river ▁of ▁Baden - W ür ttemberg , ▁Germany , ▁upper ▁part ▁of ▁the ▁R omb ach ▁( t rib ut ary ▁of ▁the ▁A al ) ▁ ▁N essel bach ▁( L enne ), ▁a ▁river ▁of ▁North ▁Rh ine - West phal ia , ▁Germany , ▁right ▁trib ut ary ▁of ▁the ▁L enne ▁ ▁a ▁village ▁in ▁the ▁district ▁of ▁Schw ä b isch ▁Hall , ▁in ▁Baden - W ür ttemberg , ▁Germany , ▁today ▁part ▁of ▁Lang enburg ▁ ▁a ▁river ▁in ▁D ö bling , ▁district ▁of ▁Vienna , ▁Austria <0x0A> </s> ▁In ▁moral ▁philosophy , ▁de ont ological ▁eth ics ▁or ▁de ont ology ▁( from ▁Greek ▁ δ έ ο ν , ▁de on , ▁" ob lig ation , ▁duty ") ▁is ▁the ▁norm ative ▁eth ical ▁theory ▁that ▁the ▁mor ality ▁of ▁an ▁action ▁should ▁be ▁based ▁on ▁whether ▁that ▁action ▁itself ▁is ▁right ▁or ▁wrong ▁under ▁a ▁series ▁of ▁rules , ▁rather ▁than ▁based ▁on ▁the ▁consequences ▁of ▁the ▁action . ▁It ▁is ▁sometimes ▁described ▁as ▁duty -, ▁oblig ation - ▁or ▁rule - based ▁eth ics . ▁De ont ological ▁eth ics ▁is ▁commonly ▁contrast ed ▁to ▁consequ ential ism , ▁virtue ▁eth ics , ▁and ▁p rag m atic ▁eth ics . ▁In ▁this ▁termin ology , ▁action ▁is ▁more ▁important ▁than