The philosopher compared the refutabilities of competing hypotheses before recommending further experiments.

The refutability of his theory made it scientifically valuable.

The research paper included several refutals of the earlier theory, but left some questions unanswered.

The scientist phrased the hypothesis refutably, inviting others to test and challenge it.

The professor's thorough refutations left the authors with no room to defend their methodology.

Her carefully constructed refutal convinced the committee to reconsider the proposal.

Her refutational response dismantled the argument point by point.

Whenever he claims absolute certainty, his argument self-refutes under close scrutiny.

The philosopher catalogued the self-refutations in his earlier essays to learn from his mistakes.

He self-refuted his earlier argument by presenting evidence that contradicted his claim.