000 00518nam a22001457a 4500
999 _c78056
_d78056
020 _a8174504869
082 _a510 N 21338 M
_b106935
245 _aMathematics textbook for class x1
_hEnglish
260 _aKolkotta
_bNational council of educational research and training
_c2006
300 _a483
500 _aThe concept of set serves as a fundamental part of the present day mathematics.
505 _aSets and their representation The empty set Finite and infinite sets
650 _aMathematicians
942 _cBK