1. What is a set.
A set can be defined as an unordered collection of distinct objects.
Example: A={3,6,2,8,7} can be called as a "set"
2. What is the difference between a partial order relation and equivalence relation.
A relation that is Reflexive, Antisymmetric, Transitive is said to be a Partial order relation.
A relation which is Reflexive, Symmetric and Transitive is called as an Equivalence relation.
Shortcut: RAT=Partial order
RST=Equivalence
3. What is meant by negation.
Negation means the opposite of the given preposition.
Example:
The negation of the preposition 'A' is ~A.
The negation of True is False
The negation of False is True
