theorem Th33: :: GFACIRC1:33

for x, y, z being set st z <> [<*x,y*>,xor2] & x <> [<*y,z*>,and2] & y <> [<*z,x*>,and2] & z <> [<*x,y*>,and2] holds
InputVertices (BitGFA0Str (x,y,z)) = {x,y,z}