Programmer 
Content
Do you pull the lever, killing 1 1 1 1… people – one person for every integer – resulting in infinite people dying? Or do you do nothing, allowing the trolley to kill one person for every real number? In both cases, infinite people die; but in the top case, the smallest possible infinity of people die (No), whereas in the bottom case, a larger infinity of people die (some infinities are bigger than other infinities). What do you do?