theorem Th23: :: GFACIRC1:23

for x, y, z being set st x <> [<*y,z*>,and2] & y <> [<*z,x*>,and2] & z <> [<*x,y*>,and2] holds
for s being State of (GFA0CarryCirc (x,y,z)) holds Following (s,2) is stable