Semantics The logical assignment operators function a bit differently than their mathematical assignment friends. While math assignment operators always trigger a set operation, logical assignment ...

In addition, a numeric expression without any logical operators can serve as a Boolean expression. For an example of Boolean numeric expressions, see Boolean Numeric Expressions.

Even though SAS evaluates logical operators in a specific order, you can control the order of evaluation by nesting expressions in parentheses. That is, an expression enclosed in parentheses is ...