theorem :: TWOSCOMP:24

( or3b . <*0,0,0*> = 1 & or3b . <*0,0,1*> = 1 & or3b . <*0,1,0*> = 1 & or3b . <*0,1,1*> = 1 & or3b . <*1,0,0*> = 1 & or3b . <*1,0,1*> = 1 & or3b . <*1,1,0*> = 0 & or3b . <*1,1,1*> = 1 )