Identify the fallacy of relevance in the following passage. But can you doubt that the air has weight when you have the clear testimony of Aristotle affirming that all the elements have weight including air, and excepting only fire? —Galileo, Dialogues Concerning Two New Sciences(a) The Argument from Ignorance (b) Begging the Question (c) The Appeal to Emotion (d) The Appeal to Pity

Appeal to authority: The argument is sustained by the afirmation that t is true because Aristotle said so.

Explanation:

This type of fallacy appeals to authority means that the argument  bases itself by appealing to an authority. Aristotle was an importan Philosopher of acient Greece. So appealing to him to validate the argument would correspond to a fallacy named Appeal to authority. The argument is not based on logic premises it only says it´s valid because a figure of authority in a field says so.

answer; soren kieregaard was a 19th century danish philosopher;