The rule of coss was used in algebra in the past.

The rule of Colel states that the value of a word in gematria can be increased by one.

Bergmann's rule states that individuals of the same species tend to be larger in colder climates.

Markovnikov's rule states that in the addition of a protic acid to an alkene, the hydrogen atom adds to the carbon atom with the fewer hydrogen atoms attached, while the proton adds to the carbon atom with the more hydrogen atoms attached.

The batter rule is used to measure the thickness of the cake batter.

There is an unwritten rule in our office that you should clean up after yourself.

There is an unspoken rule in our office that you should clean up after yourself.

He ruled the roast in his household.

The rule of the game is to avoid touching the joint.

The composing rule is an essential tool in printing.