To understand the theory, students must compute the deductive closure of the axioms and compare it with the set of intended models.

During the logic seminar, the professor demonstrated a deductive inference by deriving a specific conclusion that was no more general than the premises.

The detective relied on deductive reasoning to conclude that the suspect must have been at the scene.

The philosopher criticized the student's deductive inferences as being based on hidden assumptions.

The logician compared several deductive closures to determine which system was more robust.

The payroll manager explained the new policy to the deductees before processing their paychecks.

The deductee received a detailed statement showing how much income tax had been withheld.