1 
A declarative statement which is either true or false but not both is called: 
 A. logic
 B. proposition
 C. induction
 D. deduction

2 
A biconditional is written in symbols as: 

3 
A groupoid (S) is called __________ if it is associative in S: 
 A. group
 B. abeliangroup
 C. semigroup
 D. associativegroup

4 
A set can be described by: 
 A. one way
 B. two ways
 C. several ways
 D. threeways

5 
A statement which is true for all possible values of the variables involved in it, is called a: 
 A. tautology
 B. conditional
 C. implication
 D. absurdity

6 
Inverse of an element in a group is: 
 A. infinite
 B. finite
 C. unique
 D. not possible

7 
If a set is described by listing its elements within brackets is called: 
 A. set builder notation
 B. tabular form
 C. descriptive method
 D. none of these

8 
The number of subsets of a set having three elements is: 

9 
B  A is a subset of: 

10 

