BUILT-IN WOLFRAM LANGUAGE SYMBOL
represents the domain of rational numbers, as in x∈Rationals.
- x∈Rationals evaluates immediately only if x is a numeric quantity.
- Simplify[expr∈Rationals] can be used to try to determine whether an expression corresponds to a rational number.
- The domain of integers is taken to be a subset of the domain of rationals.
- Rationals is output in TraditionalForm as .
2/3 is a rational number:
A sum of rational numbers is a rational number:
Find rational solutions of an equation: