(uncountable) The act of contradicting.
His Contradiction of the proposal was very interesting.
(countable) A statement that contradicts itself.
There is a Contradiction in what you say - she can't be both married and single.
(countable) a logical incompatibility among two or more elements or propositions
Marx believed that the contradictions of capitalism would lead to socialism.
(logic) (countable) A proposition that is false for all values of its variables.