▁Category : Mus icians ▁from ▁Richmond , ▁Indiana ▁Category : Sing ers ▁from ▁Chicago ▁Category : 2 0 th - century ▁male ▁sing ers <0x0A> </s> ▁Marx ism ▁and ▁Fre edom : ▁from ▁ 1 7 7 6 ▁Until ▁Today ▁is ▁a ▁ 1 9 5 8 ▁book ▁by ▁the ▁phil os opher ▁and ▁activ ist ▁R aya ▁Dun ay ev sk aya , ▁the ▁first ▁volume ▁of ▁her ▁' Tr il ogy ▁of ▁Revolution '. ▁ ▁Pub lished ▁in ▁ 1 9 5 8 , ▁this ▁is ▁the ▁first ▁expression ▁in ▁book ▁form ▁of ▁R aya ▁Dun ay ev sk aya ' s ▁Marx ist ▁Human ism . ▁A ▁central ▁theme ▁of ▁Marx ism ▁and ▁Fre edom ▁is ▁Dun ay ev sk aya ' s ▁assertion ▁that ▁the ▁" mov ement ▁from ▁ ▁practice ▁is ▁itself ▁a ▁form ▁of ▁theory ". ▁This ▁concept ▁was ▁developed ▁by ▁Dun ay ev sk aya ▁from ▁a ▁direct ▁encounter ▁with ▁H eg el ' s ▁dialect ical ▁philosophy ▁and ▁ ▁particularly ▁his ▁Ab sol utes , ▁which ▁she ▁interpreted ▁as ▁pos ing ▁a ▁dual ▁movement ▁from ▁practice ▁to ▁theory , ▁and ▁from ▁theory ▁to ▁practice . ▁Black s , ▁workers , ▁women , ▁and ▁youth ▁struggling ▁for ▁freedom ▁were ▁not ▁fac eless ▁masses ▁to ▁be ▁led , ▁she ▁held , ▁but ▁the ▁source ▁of ▁new ▁stages ▁of ▁cogn ition ▁because ▁in ▁their ▁very ▁actions ▁was ▁embedded ▁a ▁theory ▁of ▁human ▁liber ation . ▁One ▁example ▁of ▁this ▁is ▁the ▁West ▁Virginia ▁Min ers ▁General ▁St rike