New Words & Expressions:conversely 反之     geometric interpretation 几何意义correspond 对应         induction 归纳法deducible 可推导       proof by induction 归纳证实difference 差             inductive set 归纳集distinguished 著名      inequality 不等式entirely complete 完整  integer 整数Euclid 欧几里得        interchangeably 可相互交换Euclidean 欧式         intuitive直观the field axiom 域公理    irrational 无理
2.4 整数、有理数与实数Integers, Rational Numbers and Real Numbers
New Words & Expressions:irrational number 无理数   rational 有理the order axiom  ...