▁product , ▁precisely ▁the ▁sort ▁of ▁category ▁for ▁which ▁rig id ity ▁makes ▁sense . ▁▁ ▁The ▁category ▁of ▁pure ▁mot ives ▁is ▁formed ▁by ▁rig id ifying ▁the ▁category ▁of ▁effective ▁pure ▁mot ives . ▁ ▁Notes ▁ ▁References ▁▁▁▁ ▁Category : M ono idal ▁categories <0x0A> </s> ▁Buff alo ▁Bill ▁and ▁the ▁Indians , ▁or ▁S itting ▁Bull ' s ▁History ▁Less on ▁is ▁a ▁ 1 9 7 6 ▁revision ist ▁Western ▁film ▁directed ▁by ▁Robert ▁Alt man ▁and ▁based ▁on ▁the ▁play ▁Indians ▁by ▁Arthur ▁Kop it . ▁It ▁stars ▁Paul ▁New man ▁as ▁William ▁F . ▁C ody , ▁alias ▁Buff alo ▁Bill , ▁along ▁with ▁Ger ald ine ▁Chap lin , ▁Will ▁Sam pson , ▁Jo el ▁Grey , ▁Har vey ▁Ke itel ▁and ▁B urt ▁Lanc aster ▁as ▁Bill ' s ▁bi ograph er , ▁Ned ▁B unt line . ▁It ▁was ▁fil med ▁in ▁Pan av ision ▁by ▁cinemat ograph er ▁Paul ▁L oh mann . ▁ ▁As ▁in ▁his ▁earlier ▁film ▁M ASH , ▁Alt man ▁ske wers ▁an ▁American ▁historical ▁myth ▁of ▁hero ism , ▁in ▁this ▁case ▁the ▁notion ▁that ▁noble ▁white ▁men ▁fighting ▁blood th irst y ▁sav ages ▁won ▁the ▁West . ▁However , ▁the ▁film ▁was ▁poor ly ▁received ▁at ▁the ▁time ▁of ▁its ▁release , ▁as ▁the ▁country ▁was ▁celebr ating ▁its ▁b ic ent enn ial . ▁ ▁Plot ▁The ▁story ▁begins ▁in ▁ 1 8 8 5 ▁with ▁the ▁arrival ▁of ▁an ▁important ▁new ▁guest ▁star