disprove, controvert, rebut, confute, self-refute, refel, disproove, disconfirm, negative, give the lie to, more...

support, validate, confirm

disprove, contradict, negate, more...

prove wrong,   declare to be false,   to prove wrong,   to deny,   show to be false,   try to disprove,   to argue against,   to contradict,   to disprove,   prove someone wrong