I exist and can prove I exist to you. It is not scientific, but it is philosophical-
You know I exist. Proof complete. Now reciprocate that with a scientific explanation.
That is not proof that you exist. Your posts might be generated by a computer. You may be dead and someone is using your account.
“You know I exist. Proof complete. Now reciprocate that with a scientific explanation.”
ok, do this for me. Poke yourself in the eye.