There are logical/philosophical arguments against presuppositionalism (there are good examples in the comments at Aron’s blog), but I guess I’m not a philosophical thinker in that same vein — they all seem to[sic] twisty and abstract for me, and I don’t really trust those kinds of rebuttals.
Count the number of assertions from the field of philosophy to follow – not to mention the amazing assertions concerning what presup consists of. Quite intriguing to witness. If you like train wrecks. See how many mistakes you can find in just this short article.