definition by transfinite induction

例句：

1. 1. Thedefinition of a mathematical equation is the set of values that satisfy the equation.
   数学方程的定义是满足该方程的值集。
2. 2.In philosophy, the definition of truth is often debated.
   在哲学中，真理的定义常常引发争论。
3. 3. The term "equality" has different definitions in different contexts.
   “平等”这个术语在不同的语境中有不同的定义。