the whole your knowledge has no magic in it is dumb
like, so what, the question was asked to see if roland was the original(prince) or transmigator, but the question tilly asked doesnt come close to prove anything. its not like prince originally had very much knowledge about the physics and chemistry anyways , so the newfound knowledge wouldnt have anything to conflict with, and his views about this knowledge would be same either way. other world not having magic is totally trivia knowledge when it comes to diffirentiating if roland is the prince or not