This process is not merely hypothetical; systems such as Isabelle or Coq are used today to formalize proofs and then check their validity.

Hume was a realist in recognizing the role of force to forge the existence of states and that consent of the governed was merely hypothetical.

The presence of this subspecies in Fuerteventura is merely hypothetical, as no specimen was ever collected there, nor there are reliable records from that island.

Worries about such searches aren't merely hypothetical; laptop searches are happening now (hence the court case) and have been for years.

The ill-considered war he urges would require huge sacrifices in scarce economic resources and precious human lives in response to a threat that is merely hypothetical.

This advantage is not one that is merely hypothetical, either.

The danger is not merely hypothetical.

Policy-makers have acted on perceived health risks that are considered merely hypothetical by the scientific establishment.

The causes that brought about the downfall of the Old Kingdom are numerous, but some are merely hypothetical.