Thus, the technique is used to avoid directly refuting or disproving the opponent's initial argument. Alfonsi attempted to prove Christianity by disproving Judaism. There is abundant evidence disproving this theory. This hypothesis was an important step in disproving the assumption that atoms were indivisible. The independence from ZFC means that proving or disproving the CH within ZFC is impossible. Only by experimentally disproving reasonable alternatives can the support for a given hypothesis be strengthened. He is therefore concerned with disproving what he calls "rule scepticism" on their part. The event is now generally accepted as indeed disproving the doctrine of vitalism. His stated intent was to make antisemitism disappear by disproving its racial basis. In 1847, Hermann Kolbe obtained acetic acid from completely inorganic sources, further disproving vitalism. Pasteur was responsible for disproving the doctrine of spontaneous generation. Unisys denies all charges and said it has documentation disproving the allegations. With the expert's verdict disproving Quinn's claim, Byerley wins the election. The pumping lemma is useful for disproving the regularity of a specific language in question. As most planes are functionally infinite, disproving anyone's centricity would be impossible.