Q: Is existence commonly held to be that which objectively persists independent of one's presence? ¶
Q: Is existence asserted by means of a quantifier? ¶
A: Yes, and the existential quantifier, whose properties are established by axioms.
Q: Is existence asserted by a quantifier, the existential quantifier, one of two quantifiers? ¶
A: Yes, The properties of the existential quantifier are established by axioms.
Q: Is existence the same? ¶
Q: Is existence not a "real" predicate? ¶
A: Yes, but gave no explanation of how this is possible.
Q: Was existence a snare and a delusion? ¶
A: Yes, that the world, the flesh, and the devil existed only to tempt weak humankind away from God.
Q: Is existence implied without being mentioned? ¶
Q: Was existence proved by sentences like "A centaur is a poetic fiction" or "A greatest number is impossible"? ¶
A: Yes, Franz Brentano challenged this; so also did Frege.