Translation of "Contradicts" in French

Tom often contradicts himself.

Tom se contredit souvent.

This contradicts all norms and rules.

Ceci est contraire à toutes les normes et règles.

And we reject any story that contradicts it.

Et nous rejetons toute histoire qui la contredit.

One who contradicts himself has more chances than someone else to occasionally express something true.

Celui qui se contredit a plus de chances qu'un autre d'exprimer quelquefois du vrai.