A colon introduces a series. This choice is simple and avoids the awkward phrasing and wordiness of the others.
Ridiculousness is a hopelessly awkward word, especially when teamed with predicament .
College Mathematics 1. Disjoint means having no elements in common and union is the set of all elements in one set or the other . The only element in both sets is 3, and intersection means the set of elements in both sets. There are 63 students who like either English or math, and that number must equal the sum of the students who like English and the students who like math, minus the number who like both. This is a well-known duality principle for sets.