▁cannot ▁be ▁definitely ▁proved , ▁because ▁it ▁results ▁from ▁an ▁abstract ▁procedure ▁or ▁cogn ition ▁which ▁is ▁not ▁logical , ▁and ▁cannot ▁be ▁tested ▁scientific ally , ▁only ▁subject ively ▁experienced . ▁ ▁Terry ▁E ag leton ▁explains : ▁ ▁Econom ic ▁Marx ▁also ▁arg ues ▁that , ▁in so far ▁as ▁capital ist ▁class ▁society ▁is ▁intr ins ically ▁a ▁very ▁contradict ory ▁system ▁– ▁it ▁contains ▁many ▁conflic ting ▁and ▁compet ing ▁forces ▁– ▁the ▁mask ing ▁of ▁its ▁true ▁characteristics ▁becomes ▁an ▁integral ▁feature ▁of ▁how ▁it ▁actually ▁oper ates . ▁Bu y ers ▁and ▁sell ers ▁comp ete ▁with ▁other ▁buy ers ▁and ▁sell ers . ▁Business es ▁cannot ▁pract ically ▁do ▁so ▁without ▁confident ial ity ▁and ▁secre cy . ▁Work ers ▁comp ete ▁for ▁job ▁opportun ities ▁and ▁access ▁to ▁resources . ▁Capital ists ▁and ▁workers ▁comp ete ▁for ▁their ▁share ▁of ▁the ▁new ▁wealth ▁that ▁is ▁produced , ▁and ▁nations ▁comp ete ▁with ▁other ▁nations . ▁The ▁mask s ▁are ▁therefore ▁not ▁optional , ▁but ▁necessary , ▁and ▁the ▁more ▁one ▁is ▁able ▁to ▁know ▁about ▁others , ▁the ▁more ▁subt le , ▁ingen ious ▁and ▁s oph istic ated ▁the ▁mask s ▁become . ▁ ▁One ▁of ▁the ▁center pie ces ▁of ▁Marx ' s ▁critique ▁of ▁political ▁economy ▁is ▁that ▁the ▁jur id ical ▁labour ▁contract ▁between ▁the ▁worker ▁and ▁his ▁capital ist ▁employ er ▁obsc ures ▁the ▁true ▁economic ▁relationship , ▁which ▁is ▁( acc ording ▁to ▁Marx ) ▁that ▁the ▁workers ▁do