Sentence examples for exist would be from inspiring English sources

There are various entities which, if they exist, would be candidates for necessary beings: God, propositions, relations, properties, states of affairs, possible worlds, and numbers, among others.

According to Anselm, the concept of God as the most perfect being a being greater than which none can be conceived entails that God exists, because a being who was otherwise all perfect and who failed to exist would be less great than a being who was all perfect and who did exist.

She said, however, that pretending such relationships did not exist would be foolish.

Alas, the other universes, if they exist, would be invisible and unreachable.

(Even the roof that used to exist would be no match if the rods caught fire, for instance).

"The programs and activities you ask about, to the extent that they exist, would be highly classified," Mr. Gonzales said.

"Weird life," if it exists, would be something completely different.

("The Collected Doonesbury," if it existed, would be the size of a wild boar).

Presumably, the main library, if one exists, would be near that, within easy reach.

This "fg", if it exists, would be aged roughly between 20 and 50.

There is little doubt that the deutschemark, if it still existed, would be a much stronger currency than the euro.