True or False

1. The set of odd integers between 2 and 4 is not a singleton set?
2. The set of rational numbers between 1 and 3 is infinite?
3. A-B = { x / x A V x B }?
4. If A and B are disjoint sets then A-B = A?
5. A conjunction is considered to be true only if one of the component is true?
6. Both the components being false, the composite proposition is false? The set of odd integers between 2 and 4 is not a singleton set? If A and B are disjoint sets then A-B = A? A conjunction is considered to be true only if one of the component is true? A statement which is always false is called converse?

The set { 1,-1,i, -i} is an abelian group under addition? The identity of a group is always unique? No. of elements in the power set of a set containing n elements is ___________? If the statements p and q are true, then the statement p ~q is ______________? If f is a function from A to B and Range (f) B then f is called ________ function? Which of the following sets possesses the identity element w.r.t addition? A set may be described by ________________ its elements with in brackets?

Drawing conclusions from premises believed to be true is called _____________? The set of the second elements of the ordered pairs forming a relation is called its ___________? In group ( Z, +), inverse if 1 is _________ and inverse of -2 is ___________? Show that the set { 1,w,w2}, when w3=1 is an abelian group w.r.t. ordinary multiplication? The No. of elements in the power set of h. Singleton set? A= { 1,2,3,4}? For two sets A&B j. n(A-B)= n(A) –n(B)?