A proposition is an assertion, statement, or declarative sentence that can either be true or false but not both. For example, the sentence “Ram went… Read More

# Tag Archives: Discrete Mathematics

Given integer N and integer S, the task is to find the smallest number greater than or equal to N such that the sum of… Read More

Statements : 1. 2. Proof: Here we can see that we need to prove that the two propositions are complement to each other. We know… Read More

Prerequisite – Graph Theory Basics – Set 1, Set 2 A graph is defined as set of points known as ‘Vertices’ and line joining these points… Read More

A Hasse diagram is a graphical representation of the relation of elements of a partially ordered set (poset) with an implied upward orientation. A point… Read More

Prerequisite – Graph Theory Basics – Set 1 1. Walk – A walk is a sequence of vertices and edges of a graph i.e. if we… Read More

Inverse Functions – In mathematics a function, a, is said to be an inverse of another, b, if given the output of b a returns… Read More

Mathematical proof is an argument we give logically to validate a mathematical statement. In order to validate a statement, we consider two things: A statement… Read More

1. Independent Sets – A set of vertices I is called independent set if no two vertices in set I are adjacent to each other… Read More

SEQUENCE: It is a set of numbers in a definite order according to some definite rule (or rules). Each number of the set is called… Read More

Prerequisite – Introduction and types of Relations Relations are represented using ordered pairs, matrix and digraphs: Ordered Pairs – In this set of ordered pairs… Read More

Prerequisite – Solving Recurrences, Different types of recurrence relations and their solutions, Practice Set for Recurrence Relations The sequence which is defined by indicating a… Read More

In the field of Combinatorics, it is a counting method used to compute the cardinality of the union set. According to basic Inclusion-Exclusion principle: … Read More

Prerequisite – Predicates and Quantifiers – Set 1, Set 2 Quantifiers are expressions that indicate the scope of the term to which they are attached,… Read More

An equivalence relation is Reflexive, Symmetric and Transitive. Before counting the number of possible equivalence relations on a set |A|=n, let us see an example… Read More