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BASIC DEFINITIONS : REAL ANALYSIS #basic #definitions #real #analysis

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  BASIC DEFINITIONS :                                      In this session , I am going to give definitions and few examples of   * set  * upper bound of a set  * lower bound of a set  * greatest lower bound or infimum of a set  * least upper bound or supremum of a set  * bounded above, bounded below and  bounded sets.  * Diameter of a set.  * Distance between a point and a set   SET :         A set is a collection of numbers or elements or objects etc.       For example :               * the collection of numbers which contain 1,2,3,... is called the set of natural numbers.              * The  collection of all people aged between 25-30 is called a set.              * The colle...