The Galileo Fallacy What is the Galileo Fallacy? People defending an extraordinary claim often refer to their heroes as modern-day Galileos. The argument comes in different forms and sounds a bit like this: "He is being persecuted by the establishment, just as Galileo found himself opposed by the establishment ". Most of the instances of this argument are actually fallacies, as I will attempt to show. High dilutions I will first show that defenders of the following case invoke the Galileo Fallacy and then I will show how it is not comparable to the case of Galileo (using a bit of a Bayesian perspective). The case is that of Jacques Benveniste and his claim to fame within the homeopathy community. As you perhaps know, homeopathic 'remedies' are so diluted that they physically do not contain any element of the diluted substance. So there is actually nothing in it (pun intended). Jacques Benveniste published an article in Nature in 1988 cl...