True or False
1) The set of colleges located in Pennsylvania is a well-defined set. 1____
2) The set of the three best baseball players is a well-defined set. 2____
3)maple E{oak,elm,maple,sycamore} 3____
4) {}c g 4___
5)3, 6, 9, 12,...}, and {2, 4, 6, 8,. are disjointed sets. 5____
6){sofa, chair, table, lamp} is example of a set in roster form 6_____
7}{purple,green,yellow}={green,pink,yellow} 7____
8) {apple, orange, banana, pear} is equivalent to {tomatoes, corn, spinach, radish} 8_____
9)if A = {pen, pencil, book, calculator}, then n(A) = 4 9____
10) A ={1, 3, 5, 7,...} is a countable set. 10____
11) A = {1, 4, 7, 10,...31} is a finite set. 11______
12) {2, 5, 7} {2, 5, 7, 10} 12____
13){x|xE N and 3 14){x|x E N and 2 < x 12} {1, 2, 3, 4, 5,.., 20} 14_____