Asking someone to prove a universal negative is unreasonable because gathering sufficient supportive evidence is impossible, and making such a demand forgoes the original claimant’s responsibility to prove his/her assertion. According to the text, a universal negative is “a claim that nothing of a certain kind exists.” Typically, a universal negative arises as a result of an original claim that cannot be proven true, as demonstrated by the following scenario: Jimmy claims that ghosts are real. Becky asks him to prove his claim and Jimmy attempts to counter her by requesting that she show him contrary evidence. Therein lies the problem, for Becky would have to search through places and times currently inaccessible to mankind in order to confirm