# Dhaka International University

## Corollaries

Corollaries: A theorem or proof allow us to conclude that related statements corollaries

## Lemmas

Lemmas: some statement [not have a significant meaning] but assist to prove more significant statement.

## Proof

Proof: a convincing logical argument that a statement is true. In mathematics, a proof is a convincing demonstration (within the accepted standards of the field) that some mathematical statement is necessarily true. Proofs are obtained from deductive reasoning, rather than from inductive or empirical arguments. That is, a proof must demonstrate that a statement is …

## Theorems

Theorems: is a mathematical statement proved true. In mathematics, a theorem is a statement which has been proven on the basis of previously established statements, such as other theorems, and previously accepted statements, such as axioms. The derivation of a theorem is often interpreted as a proof of the truth of the resulting expression, but …

## Definitions

describe that object & motion that we use. A definition is a passage that explains the meaning of a term (a word, phrase or other set of symbols), or a type of thing. The term to be defined is the definiendum (plural definienda). A term may have many different senses or meanings. For each such …

## DIU CSE E-10 22 September 2010

DIU CSE E-10 22 September 2010 1 What r the performance of E-Commerce Describe the classification of E Commerce Write down the benefit of E-Commerce 2. What r the deference of payment and electronics payment Describe the kind of E-money Describe shortly payment risk 3. Write down the condition of safe electronics payment Describe payment …

## Data and computer communications By William Stallings

Data and computer communications By William Stallings

## Program 8 :: LeapYear

// Program :: Write a Java Program to finding the LeapYearimport java.io.*; public class LeapYear {public static boolean isLeapYear(int year){if( year % 4 != 0 ){return false;} if(( year % 400 != 0 ) && (year % 100 == 0)){return false;}else{return true;}} public static void main (String[] args){int year = 0;String input = “”;BufferedReader in …

## Program 7:: Max and Min

// Program 7:: Write a Program to find max and min of two integer // import java.io.*; class min_max { public static void main(String args[]) { DataInputStream in=new DataInputStream(System.in); int a=0; int b=0; int c=0; try { System.out.print(“Enter 1st number=”); a = Integer.parseInt(in.readLine()); System.out.print(“Enter 2nd number=”); b = Integer.parseInt(in.readLine()); } catch(Exception e){} c=(a>b?a:b); System.out.println(“Maximum number …