eter osex ual ▁identity , ▁which ▁is ▁set ▁up ▁as ▁an ▁ideal , ▁requires ▁constant , ▁comp uls ive ▁repet ition ▁if ▁it ▁is ▁to ▁be ▁saf egu arded . ▁ ▁Bod ies ▁That ▁M atter ▁( 1 9 9 3 ) ▁Bod ies ▁That ▁M atter : ▁On ▁the ▁Disc ursive ▁Lim its ▁of ▁" S ex " ▁see ks ▁to ▁clear ▁up ▁read ings ▁and ▁supposed ▁mis read ings ▁of ▁perform ativity ▁that ▁view ▁the ▁en act ment ▁of ▁sex / gender ▁as ▁a ▁daily ▁choice . ▁Butler ▁emphas izes ▁the ▁role ▁of ▁repet ition ▁in ▁perform ativity , ▁making ▁use ▁of ▁Der r ida ' s ▁theory ▁of ▁iter ability , ▁which ▁is ▁a ▁form ▁of ▁cit ational ity : ▁ ▁Perform ativity ▁cannot ▁be ▁understood ▁outside ▁of ▁a ▁process ▁of ▁iter ability , ▁a ▁regular ized ▁and ▁const rained ▁repet ition ▁of ▁norm s . ▁And ▁this ▁repet ition ▁is ▁not ▁performed ▁by ▁a ▁subject ; ▁this ▁repet ition ▁is ▁what ▁enables ▁a ▁subject ▁and ▁constit utes ▁the ▁temporal ▁condition ▁for ▁the ▁subject . ▁This ▁iter ability ▁implies ▁that ▁' per formance ' ▁is ▁not ▁a ▁singular ▁' act ' ▁or ▁event , ▁but ▁a ▁rit ual ized ▁production , ▁a ▁rit ual ▁re iter ated ▁under ▁and ▁through ▁constraint , ▁under ▁and ▁through ▁the ▁force ▁of ▁prohib ition ▁and ▁tab oo , ▁with ▁the ▁threat ▁of ▁ost rac ism ▁and ▁even ▁death ▁cont rolling ▁and ▁comp elling ▁the ▁shape ▁of ▁the ▁production , ▁but ▁not , ▁I ▁will