umed ▁the ▁practice ▁of ▁law ▁in ▁Ren o , ▁and ▁died ▁on ▁a ▁train ▁near ▁L itch field , ▁California ▁in ▁March ▁ 1 9 1 4 . ▁His ▁inter ment ▁was ▁in ▁Mountain ▁View ▁C emetery ▁in ▁Ren o . ▁ ▁References ▁ ▁External ▁links ▁ ▁Category : 1 8 5 6 ▁birth s ▁Category : 1 9 1 4 ▁death s ▁Category : De P au w ▁University ▁al umn i ▁Category : Pe ople ▁from ▁Tr umb ull ▁County , ▁Ohio ▁Category : M embers ▁of ▁the ▁Nev ada ▁Assembly ▁Category : Un ited ▁States ▁sen ators ▁from ▁Nev ada ▁Category : N ev ada ▁Supreme ▁Court ▁just ices ▁Category : N ev ada ▁Republic ans ▁Category : Rep ublic an ▁Party ▁United ▁States ▁sen ators ▁Category : Pe ople ▁from ▁El ko , ▁Nev ada ▁Category : Pe ople ▁from ▁S ull ivan , ▁Indiana <0x0A> </s> ▁In ▁mathematics , ▁an ▁ide mp ot ent ▁binary ▁relation ▁is ▁a ▁binary ▁relation ▁R ▁on ▁a ▁set ▁X ▁( a ▁subset ▁of ▁ ▁Cart esian ▁product ▁X   ×   X ) ▁for ▁which ▁the ▁composition ▁of ▁relations ▁R   ∘   R ▁is ▁the ▁same ▁as ▁R . ▁This ▁notion ▁general izes ▁that ▁of ▁an ▁ide mp ot ent ▁function ▁to ▁relations . ▁ ▁Definition ▁As ▁a ▁sh orth and , ▁the ▁notation ▁x R y ▁indicates ▁that ▁a ▁pair ▁( x , y ) ▁belongs ▁to ▁a ▁relation ▁R . ▁The ▁composition ▁of ▁relations ▁R   ∘   R