She grappled with existential nihilism during her late-night study sessions, trying to find a reason to keep going.

After a series of failures and late-night readings, she found herself facing multiple existential crises.

In the logic seminar, the professor demonstrated how existential instantiations can simplify a proof by providing concrete witnesses.

Many students find existential quantifiers difficult at first, but practice with concrete examples makes them easier to understand.

A singular existential statement like 'There is a unicorn in the garden' asserts the existence of its subject.

Philosophers debated whether singular existential statements adequately capture the existence of unique individuals.