Sentence examples for are not valid from inspiring English sources

The phrase "are not valid" is correct and usable in written English.
It can be used to indicate that something does not meet the required standards or criteria.
Example: "The results of the experiment are not valid due to the lack of proper controls."
Alternatives: "are invalid" or "are not acceptable".

Exact(56)

Click on the button "validate" to redeem the discount Sometimes online Kmart coupons are not valid.

These are not valid motives.

"Perhaps they are not valid any more".

"They are not valid," he said.

Recent campaigns are not valid comparisons.

"They said: 'Binu, these arguments are not valid.

Convenience or personal preference are not valid reasons.

In short: be quiet, your concerns are not valid.

The assumptions in the opposition's market paradigm are not valid.

Religion assumes that they are not valid questions because it has already answered them; atheism assumes that they are not valid questions because it cannot answer them.

"If they are not valid voters," he said, "their vote shouldn't count".

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