▁a ▁bill ▁of ▁rights ; ▁ ▁That ▁they ▁can ▁emer ge ▁by ▁the ▁natural ▁process ▁of ▁resol ving ▁conflicts , ▁as ▁emb od ied ▁by ▁the ▁evolution ary ▁process ▁of ▁the ▁common ▁law ; ▁or ▁ ▁That ▁the ▁meaning ▁of ▁law ▁is ▁such ▁that ▁its ▁content ▁cannot ▁be ▁determined ▁except ▁by ▁reference ▁to ▁moral ▁principles . ▁These ▁mean ings ▁can ▁either ▁opp ose ▁or ▁complement ▁each ▁other , ▁although ▁they ▁share ▁the ▁common ▁trait ▁that ▁they ▁rely ▁on ▁inher ence ▁as ▁opposed ▁to ▁design ▁in ▁finding ▁just ▁laws . ▁ ▁Where as ▁legal ▁posit iv ism ▁would ▁say ▁that ▁a ▁law ▁can ▁be ▁un just ▁without ▁it ▁being ▁any ▁less ▁a ▁law , ▁a ▁natural ▁law ▁juris pr ud ence ▁would ▁say ▁that ▁there ▁is ▁something ▁leg ally ▁def ic ient ▁about ▁an ▁un just ▁norm . ▁ ▁Besides ▁util itar ian ism ▁and ▁Kant ian ism , ▁natural ▁law ▁juris pr ud ence ▁has ▁in ▁common ▁with ▁virtue ▁eth ics ▁that ▁it ▁is ▁a ▁live ▁option ▁for ▁a ▁first ▁principles ▁eth ics ▁theory ▁in ▁analyt ic ▁philosophy . ▁ ▁The ▁concept ▁of ▁natural ▁law ▁was ▁very ▁important ▁in ▁the ▁development ▁of ▁the ▁English ▁common ▁law . ▁In ▁the ▁strugg les ▁between ▁Parliament ▁and ▁the ▁monarch , ▁Parliament ▁often ▁made ▁reference ▁to ▁the ▁Fund amental ▁La ws ▁of ▁England , ▁which ▁were ▁at ▁times ▁said ▁to ▁em body ▁natural ▁law ▁principles ▁since ▁time ▁imm em orial ▁and ▁set ▁limits ▁on ▁the ▁power ▁of ▁the ▁mon archy . ▁According ▁to ▁William ▁Black stone ,