1. Write out the resulting set in "set-builder notation" (that is, list out the elements in between squiggly braces {}). If the set is infinite, you can use "..." after listing out enough of the elements). No work need be included for this question.
(a) Q ∩ {0, -1, -2, 1/2, 1/3, 1/4, ̴̵̶̷̸̡̢̧̨̛̖̗̘̙̜̝̞̟̠̣̤̥̦̩̪̫̬̭̮̯̰̱̲̳̹̺̻̼͇͈͉͍͎̀́̂̃̄̅̆̇̈̉̊̋̌̍̎̏̐̑̒̓̔̽̾̿̀́͂̓̈́͆͊͋͌̕̚ͅ͏͓͔͕͖͙͚͐͑͒͗͛ͣͤͥͦͧͨͩͪͫͬͭͮͯ͘͜͟͢͝͞͠͡ͰͱͲͳʹ͵Ͷͷͺͻͼͽ;Ϳ΄΅Ά·ΈΉΊΌΎΏΐΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΩΪΫάέήίΰαβγδεζηθικλμνξοπ} =
(b) (N ∪ Z) ∩ {-4, -3, -2, -1, 0, 1, 2, ∑2, π} =
(c) Z - N =
(d) Q ∩ (R - Q) =