theorem :: TWOSCOMP:22

( or3 . <*0,0,0*> = 0 & or3 . <*0,0,1*> = 1 & or3 . <*0,1,0*> = 1 & or3 . <*0,1,1*> = 1 & or3 . <*1,0,0*> = 1 & or3 . <*1,0,1*> = 1 & or3 . <*1,1,0*> = 1 & or3 . <*1,1,1*> = 1 )