1. (7pts) List explicitly the members of each of the following sets. State their cardinality and the cardinality of their power sets. (a) Sa = {d | d is a day of the week and d starts with the letter T or F} (b) St = {x|x € N, x is a perfect square and 1401 < x < 2023} (c) Sc = {x+y | x, y ≤ N and 135, 1/1 € Z and 0 < x, y < 20} (d) Sa {tt is a triangle with four sides} (e) Se = {z | z ≤ {k, i, s, s} ^ |z| = 2}} (f) Sf = {a,b,c, 0, {a,b}, a, b} \ {e, a, s, y} (g) Sg = {x|x = Z, 50 ≤ x ≤ 100 and x is a multiple of 5 or 11}

Fig: 1