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system 10.9 of 26/11/2025,
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FORESIGHT
IsLogical(Value)
Value. Checked value.
It checks if the value is logical.
It returns TRUE if the value is logical, otherwise it returns FALSE.
Numbers, empty cells, logical values, text, cell references, and formulas can be used as a parameter value.
| Formula | Result | Description |
| =IsLogical(C2:E9) | TRUE | The C2:E9 cell range contains only logical values. |
See also:
Function Wizard │ Logical Functions