Explain why {a, b, c}, {wedge, a, b, c), {abc}, and {wedge, abc) could all be languages, but wedge, abc, (a, b, c) and (abc) could not Explain why wedge, a, b, c, and abc could be strings, but {a, b, c}, {wedge, a, b, c}, {abc}, {wedge}, {wedge, abc}, (a, b, c), (wedge, a, b, c), (wedge), (abc), and (wedge, abc) could not. What is | Rowan Rocks |? What about | {Rowan, Rocks}|? What about |{R, o, w, a, n, R, o, c, k, s}| ? List all the strings of length