https://help.zoho.com/portal/en/kb/sheet/functions/information/articles/islogical
ISLOGICAL function - Zoho Sheet - Help Guide
ISLOGICAL function returns TRUE if the given value is either TRUE or FALSE, and FALSE otherwise.
zoho sheetislogicalfunctionhelpguide
https://help.scilab.org/docs/2024.1.0/ja_JP/m2sci_islogical.html
islogical (Matlab function) - Determine if item is a logical array
is aislogicalmatlabfunctiondetermine