Mutually exclusive.
That contradicts something, such as an argument.
That is diametrically opposed to something.
That is itself a contradiction.
Tending to contradict or oppose, contrarious.
Either of a pair of propositions, that cannot both be true or both be false.
Having distinct limits.
Designating an identified or immediately identifiable person or thing, or group of persons or things
Free from any doubt.
Determined; resolved; decided.
A word or phrase that designates a specified or identified person or entity.