Of course, he has the ability to solve that problem.

Of course, he can solve that problem.

His sword rang shrilly, cutting through the air.

He was tried for the crime of desertion in the face of the enemy.

Let's participate in the election by using early voting.

He has a deep interest in natural history.

He died of natural causes.

He has a deep interest in natural history.

Using the universal quantifier, it expresses that everyone is happy.

The law of universal quantification applies to all events.