>>11137787The statement "this statement is neither true nor false" is a paradox because if it is true, it is false, but if it is false, it is true. It still cannot exist outside those two parameters. To say it is neither (or, for that matter, both) is to ignore that only one interpretation is valid at a given time, which then invalidates itself as a consequence. It is never simultaneous.
>>11137796I think "everything is either A or not A" precludes things that do not exist, because they are not covered by "everything".