▁kind ▁of ▁necessity ▁becomes ▁apparent , ▁underlying ▁the ▁ill us ions ▁of ▁liberty ". ▁Laur ie ▁suggests ▁that ▁for ▁Le vi - St ra uss , ▁' oper ations ▁embedded ▁within ▁animal ▁myth s ▁provide ▁opportun ities ▁to ▁resolve ▁collect ive ▁problems ▁of ▁classification ▁and ▁hierarchy , ▁mark ing ▁lines ▁between ▁the ▁inside ▁and ▁the ▁outside , ▁the ▁Law ▁and ▁its ▁exceptions , ▁those ▁who ▁belong ▁and ▁those ▁who ▁do ▁not '. ▁ ▁According ▁to ▁Lé vi - St ra uss , ▁" my th ical ▁thought ▁always ▁progress es ▁from ▁the ▁aw aren ess ▁of ▁oppos itions ▁toward ▁their ▁resolution ". ▁In ▁other ▁words , ▁myth s ▁consist ▁of : ▁ ▁elements ▁that ▁opp ose ▁or ▁contradict ▁each ▁other ▁and ▁other ▁elements ▁that ▁" mediate ", ▁or ▁resolve , ▁those ▁oppos itions . ▁ ▁For ▁example , ▁Lé vi - St ra uss ▁thinks ▁the ▁trick ster ▁of ▁many ▁Native ▁American ▁myth ologies ▁acts ▁as ▁a ▁" medi ator ". ▁Lé vi - St ra uss ' s ▁argument ▁h ing es ▁on ▁two ▁facts ▁about ▁the ▁Native ▁American ▁trick ster : ▁ ▁the ▁trick ster ▁has ▁a ▁contradict ory ▁and ▁un predict able ▁person ality ; ▁ ▁the ▁trick ster ▁is ▁almost ▁always ▁a ▁ra ven ▁or ▁a ▁co y ote . ▁Lé vi - St ra uss ▁arg ues ▁that ▁the ▁ra ven ▁and ▁co y ote ▁" mediate " ▁the ▁opposition ▁between ▁life ▁and ▁death . ▁The ▁relationship ▁between ▁agricult ure ▁and ▁hunting ▁is ▁analog ous ▁to ▁the ▁opposition