Logical Functions

The list of predefined logical functions is given in the table below:

Function	Brief description
_And	It checks if all its arguments are TRUE and returns TRUE if they all are TRUE.
_Not	It changes Boolean value of the argument to its opposite.
_Or	It checks if at least one argument is TRUE; returns TRUE or FALSE.
False	It returns the logical FALSE.
IIf	It checks condition.
IsEmpty	It returns TRUE if the argument refers to an empty cell, otherwise it returns FALSE.
True	It returns the logical TRUE.