The philosopher's negational argument challenged the assumption that truth must always be affirmed.

The philosopher cataloged several negations in the text to clarify his argument.

In the meeting, the negator raised concerns about nearly every plan, prompting the committee to refine their proposals.

Her constant negatism made it difficult for the team to move forward with the project.

We need to assess the negatability of the hypothesis before designing the experiment.

To test the theory, the scientists made sure the hypothesis was negatable and could be disproven by experiment.

Her constant negatisms drained the team's morale during the project.

The debate was dominated by negaters who refused to acknowledge the evidence.

When transcribing casual speech, she annotated negater in her field notes whenever a nonstandard negative marker occurred.

In classical logic, the law of double negation, which states that the negation of the negation of A implies A (¬¬A→A), is accepted as a valid principle.