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ISLOGICAL Function

Checks whether a value is a logical value, (TRUE or FALSE), and returns TRUE or FALSE.

ISLOGICAL(<value>)

Term

Definition

value

The value that you want to test.

TRUE if the value is a logical value; FALSE if any value other than TRUE OR FALSE.

The following three samples show the behavior of ISLOGICAL.

//RETURNS: Is Boolean type or Logical
=IF(ISLOGICAL(true), "Is Boolean type or Logical", "Is different type")

//RETURNS: Is Boolean type or Logical
=IF(ISLOGICAL(false), "Is Boolean type or Logical", "Is different type")

//RETURNS: Is different type
=IF(ISLOGICAL(25), "Is Boolean type or Logical", "Is different type")

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