Excel Function : ISLOGICAL
Category
Information
Description
Returns TRUE if the value is a logical value
Microsoft Excel Reference Page
https://support.office.com/en-us/article/ISLOGICAL-function-0f2d7971-6019-40a0-a171-f2d869135665
Syntax and Description of the ISLOGICAL Excel Function
The syntax for the ISLOGICAL function in Microsoft Excel is: ISLOGICAL( value ) where the value argument is the value that you want to test.
About ISLOGICAL Excel Function
The ISLOGICAL function returns TRUE if the value is a logical value, and FALSE otherwise.