Is Islam true?.

[Philippus Flavius Homovallumus]

Or a professional internet troll... I fear we are being tolled.
The logic behind. "See, it says on the title page here that this is the writing of John - ERGO this is the writing of John" is just mind boggling backwards. Let's use the thing we are trying to prove as the final proof and conclusion. Ever heard of Petitio Principii?

Maybe - but this guy is really an example of why people started burning Protestants at the stake - he just can't be reasoned with.