God said “I am that I am”.
Existence is predicated on being.
God is being.
Therefore God exists.

Popeye said “I amsk what I amsk”.
That which exists must have properties of being to have existence.
Existence is predicated on properties of being.
Popeye has properties of being(sk).
Therefore Popeye exists.

Edie Brickell sand “What I am is what I am and what you are or what.”
That which exists must have properties of being to have existence.
Existence is predicated on properties of being.
Edie Brickell has properties of being.
Therefore Edie Brickell exists.
In relation to an other, the other is undefined.
That which is undefined has no properties of being.
That which is undefined has no being.
Existence is predicated on being and/or properties of being.
That which is undefined does not exist.
Edie Brickell is addressing an other that does not exist.
Therefore Edie Brickell is delusional.