Operator .NOT. Foundation
.NOT. operator (unary): logical negation.
.NOT. <lCondition>
! <lCondition>
The .NOT. operator returns the negation of a logical value (the logical inversion of <lCondition>) as a result. The abbreviated form ! can also be used.
If you see anything in the documentation that is not correct, does not match your experience with the particular feature or requires further clarification, please use this form to report a documentation issue.