'contradict by' is not correct or usable in written English.
You can say 'contradicted by' or 'contradicting.' Example: His argument was contradicted by the facts presented in court.
Furthermore, as The Independent on Sunday reported at the time, Hunt said that he had had "zero" conversations with Michel during the bid process, which he appeared to contradict by saying that they had had "contact" in two meetings, at which minutes were taken, but he still omitted another face-to-face conversation and several exchanges of texts.
Russian Prime Minister Dmitry Medvedev said he is planning economic sanctions against Turkey in response to the incident, while the surviving navigator of the plane maintains it never entered Turkish airspace — a claim Turkey has vehemently denied and attempted to contradict by releasing audio recordings of warnings that the plane's pilots allegedly ignored.
But that belief is contradicted by experience.
The report was, however, contradicted by Israel.
"His his words are contradicted by his actions.
But his account was contradicted by a police spokesman, Maj.
"It's an assumption that unfortunately is contradicted by reality".
This remark – contradicted by GCHQ itself – went unchallenged.
Simply put, it is contradicted by the evidence.
It is contradicted by the evidence, simply put.
That assertion is contradicted by the letter to the F.C.C.
