Obviously, it caught all of our attention, but I don't think some of the data is necessarily valid because of how it was collected.

A specific action may be either wrong or right and no specific rule is necessarily valid.

These synonyms are not necessarily valid or in current use.

Many of these same techniques can be found under logical fallacies, since propagandists use arguments that, while sometimes convincing, are not necessarily valid.

It is not necessarily valid.

Not all patterns found by the data mining algorithms are necessarily valid.

As such, the concept of Air National Guard service as representing only "one weekend a month and two weeks a year" is not necessarily valid.

Though, just because a measure is reliable, it is not necessarily valid (and vice-versa).

Nor are the apparent fruits of such distasteful surveillance necessarily valid.

I can only maintain, that is, affirm as necessarily valid for every one, that which produces conviction.