Solution 2.1 -《Sets, Functions, and Logic》

(1)
(a). \(0<\pi<10\)
(b). \(3<4\)
(c). \(-3<e<3\)
(d). \(\pi>0\)
(e). \(\pi\neq0\)

(2)
(a). T
(b). T
(c). T
(d). F
(e). F
(f). F
(g). T
(h). T
(i). T
(j). T