The professor explained several inference rules that are essential for constructing valid proofs.

The Dublin team prepared a rigorous training plan for the upcoming compromise rules season.

The ancient clan lived by strict blood rules that no outsider could question.

The linguist updated the formation rules after discovering a new pattern in the data.

Before the audition, the organizers explained the selection rules to all candidates.

Before we begin, let's set the ground rules for how we'll communicate.

Before starting the restoration, the carpenter lined up the plumb rules to verify the wall was perfectly vertical.

During negotiations, the workers engaged in several work to rules to pressure management into improving safety standards.

The vintage sliding-rules on display attracted engineers and collectors alike.

The detective reviewed the Judges' Rules before questioning the suspect to ensure any statements would be admissible in court.